/* ============================================================
 * tkok.AI 官网 · site.css
 * 全站深色基调（官网视觉独立于产品端 UI 规范，只沿用品牌蓝 #3D5DFF）
 * ★ 例外：产品界面仿真件（.app / .pub-vis）局部还原为浅色令牌，
 *   让「产品界面」像一块亮屏浮在深色页面上 —— 见〔产品界面仿真件〕一节
 * 结构：变量 → 基础 → 通用件 → 导航 → 各屏 → 仿真件 → 响应式
 * ============================================================ */

/* ---------- 变量（深色基底） ---------- */
:root {
  /* 品牌 */
  --brand: #3D5DFF;
  --brand-hover: #5570FF;
  --brand-lite: #93A6FF;
  --purple: #7C5CFF;
  --pink: #D946EF;
  --cyan: #22D3EE;
  --orange: #F59E0B;
  --success: #34D399;

  /* 深色面 */
  --bg: #07091A;
  --bg-2: #0A0D1F;
  --surface: rgba(255, 255, 255, .035);
  --surface-2: rgba(255, 255, 255, .07);
  --line: rgba(255, 255, 255, .09);
  --line-2: rgba(255, 255, 255, .16);

  /* 文字分层 */
  --ink: #EDEFF7;
  --ink-2: #C3C8DD;
  --muted: #8A90AC;
  --faint: #5E6480;

  /* 圆角 */
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 18px;
  --r-xl: 24px;

  /* 阴影 */
  --sh-card: 0 2px 10px rgba(0, 0, 0, .28);
  --sh-hover: 0 16px 44px rgba(0, 0, 0, .46);
  --sh-pop: 0 16px 40px rgba(0, 0, 0, .5);
  --sh-brand: 0 8px 26px rgba(61, 93, 255, .38);
  --sh-float: 0 40px 90px rgba(0, 0, 0, .6);

  --nav-h: 64px;
}

/* ---------- 基础 ---------- */
* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: 84px; background: var(--bg); overflow-x: hidden; }

body {
  /* 10-09 用户定：全站首选微软雅黑（用户在 Windows/360 看，加粗要靠它才正）；
     Mac 没有雅黑时落到苹方，顺序别反 */
  font-family: "Microsoft YaHei", "微软雅黑", "PingFang SC", -apple-system, BlinkMacSystemFont,
               "Segoe UI", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
svg { flex-shrink: 0; }

::selection { background: rgba(61, 93, 255, .34); color: #fff; }

/* ---------- 通用件 ---------- */
.wrap { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.sec { position: relative; padding: 104px 0; }
/* 交替段：底色抬高一档 + 上下发丝线 */
.sec-alt {
  background: var(--bg-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
/* 段落顶部的品牌辉光（很淡，只做纵深） */
.sec-glow::before {
  content: ""; position: absolute; left: 50%; top: -140px; transform: translateX(-50%);
  width: min(1100px, 100%); height: 420px; pointer-events: none;
  background: radial-gradient(50% 50% at 50% 50%, rgba(61, 93, 255, .13) 0%, rgba(61, 93, 255, 0) 70%);
}
.sec > .wrap { position: relative; z-index: 1; }

.head { max-width: 780px; margin: 0 auto 56px; text-align: center; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 7px;
  height: 28px; padding: 0 13px; margin-bottom: 18px;
  border-radius: 999px;
  background: rgba(61, 93, 255, .14);
  border: 1px solid rgba(61, 93, 255, .26);
  color: var(--brand-lite);
  font-size: 13px; font-weight: 600;
}
.eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

.h2 {
  font-size: clamp(28px, 3.6vw, 44px);
  line-height: 1.28;
  font-weight: 700;
  letter-spacing: -1px;
  color: #fff;
}
.h3 { font-size: 19px; font-weight: 650; line-height: 1.5; }

.lead {
  margin-top: 16px;
  font-size: 16.5px;
  color: var(--muted);
  line-height: 1.8;
}

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 44px; padding: 0 22px;
  border-radius: 999px;
  font-size: 15px; font-weight: 500; line-height: 1;
  white-space: nowrap;
  transition: background .18s, color .18s, border-color .18s, transform .18s, box-shadow .18s;
}
.btn:active { transform: translateY(1px); }
.btn-brand { background: var(--brand); color: #fff; box-shadow: var(--sh-brand); }
.btn-brand:hover { background: var(--brand-hover); box-shadow: 0 10px 32px rgba(61, 93, 255, .5); }
.btn-ghost { border: 1px solid var(--line-2); color: var(--ink); background: rgba(255, 255, 255, .04); }
.btn-ghost:hover { background: rgba(255, 255, 255, .1); border-color: rgba(255, 255, 255, .28); }
.btn-glass { border: 1px solid rgba(255, 255, 255, .2); color: #fff; background: rgba(255, 255, 255, .06); }
.btn-glass:hover { background: rgba(255, 255, 255, .14); }
.btn-sm { height: 36px; padding: 0 16px; font-size: 14px; }
.btn-lg { height: 50px; padding: 0 28px; font-size: 16px; }

/* 深色卡片（全站统一底） */
.card {
  background: linear-gradient(180deg, rgba(255, 255, 255, .055), rgba(255, 255, 255, .02));
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
}

/* 小胶囊（占位页的 .soon-list 在用；原首屏能力条 10-09 随改版删除，样式留这一份）
   ★ 10-11 改名 .capsule：原来叫 .cap，和首页能力分段的 .cap 撞了，把分段压成 34px 高 */
.capsule {
  display: inline-flex; align-items: center; gap: 8px;
  height: 34px; padding: 0 15px;
  border: 1px solid rgba(255, 255, 255, .13); border-radius: 999px;
  background: rgba(255, 255, 255, .05);
  font-size: 13.5px; color: rgba(237, 239, 247, .62);
}

/* 分段圆点：任何「A · B · C」展示一律画它，不写字面「·」 */
.dot-sep {
  display: inline-block; width: 3px; height: 3px; border-radius: 50%;
  margin: 0 8px; vertical-align: .36em; background: currentColor; opacity: .55; /* 10-11：middle 对中文偏低，按字高 0.5em 居中 */
}

/* 入场动画 */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .7s cubic-bezier(.2,.7,.3,1), transform .7s cubic-bezier(.2,.7,.3,1); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ============================================================
 * 顶部导航
 * ============================================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  /* 10-12：高度改由 .nav-in 撑，header 本体 auto，这样下拉面板在流内展开时，顶栏那一张模糊底能连着盖住面板（面板自己再开 backdrop-filter 在 header 里会失效） */
  border-bottom: 1px solid transparent;
  transition: background .25s, border-color .25s;
}
.nav-in { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 28px; height: var(--nav-h); }

.brand { display: flex; align-items: center; flex-shrink: 0; }
/* 10-10 用户定：logo 只用 GoSea 字标、不要图标，风格照 sello.io（圆角粗体 + 末尾 o 里嵌 V）。
   字标是 SVG 路径文件 images/gosea-wordmark.svg，fill 走 currentColor：放在深底就是白字，白底段落给 .brand 设 color 即可 */
.brand { color: #fff; }
.brand .wordmark { height: 28px; width: auto; display: block; }   /* 10-10 用户：再大一点，22 → 28 */
.foot .brand .wordmark { height: 30px; }

/* 10-11 用户定：导航整体左右居中（绝对定位到中线），不要选中页效果 */
.nav-links { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); display: flex; align-items: center; gap: 4px; }
.nav-links a {
  display: inline-flex; align-items: center; height: 36px;
  padding: 0 14px; border-radius: 999px;
  font-size: 14px; font-weight: 500; line-height: 1;
  color: rgba(255, 255, 255, .7);
  transition: color .18s, background .18s;
}
.nav-links a:hover { color: #fff; background: rgba(255, 255, 255, .08); }

.nav-right { display: flex; align-items: center; gap: 10px; }

/* 语言选择 */
.lang { position: relative; }
/* 与右侧「登录」按钮同高（36px）同为胶囊圆弧 */
/* 10-10 用户反馈「两个按钮高度不一样、不居中」：语言钮原来没边框，和登录钮并排看着像矮一截。
   现在给它同款胶囊边框，两钮都是 36 高 + line-height:1 + flex 居中，文字不靠行高定位（微软雅黑行高偏下的老毛病绕开） */
.lang-btn {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: 50%; color: rgba(255, 255, 255, .82);   /* 与 .btn-sm 同 36 高 */
  transition: color .18s, background .18s;
}
.lang-btn:hover, .lang.open .lang-btn { color: #fff; background: rgba(255, 255, 255, .14); }
.lang-btn svg { width: 17px; height: 17px; }
.lang-menu {
  position: absolute; top: calc(100% + 10px); right: 0;
  min-width: 140px; padding: 6px;
  background: #fff; border: 1px solid #E6E8EE;
  border-radius: 12px; box-shadow: 0 12px 32px rgba(20, 22, 28, .14);
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity .18s, transform .18s, visibility .18s;
}
.lang.open .lang-menu { opacity: 1; visibility: visible; transform: none; }
.lang-menu li { list-style: none; }
.lang-item { display: block; width: 100%; padding: 9px 12px; border-radius: 8px; font-size: 14px; color: #0A0A0A; text-align: left; }
.lang-item:hover { background: #F1F2F5; }

/* 滚过首屏后的实底态（深色玻璃） */
.nav.solid {
  background: rgba(7, 9, 26, .62);
  -webkit-backdrop-filter: blur(16px) saturate(140%); backdrop-filter: blur(16px) saturate(140%);   /* 10-11 用户定：滚动后模糊底 */
  border-bottom-color: transparent;   /* 10-12 用户：滚动后底部那条线不要 */
}

/* 移动端汉堡 */
.nav-burger { display: none; width: 38px; height: 38px; align-items: center; justify-content: center; color: #fff; border-radius: var(--r-sm); }
.nav-burger svg { width: 22px; height: 22px; }

.mnav {
  position: fixed; inset: var(--nav-h) 0 auto 0; z-index: 99;
  padding: 12px 24px 22px;
  background: rgba(10, 13, 31, .97);
  border-bottom: 1px solid var(--line);
  box-shadow: var(--sh-pop);
  display: none;
}
.mnav.open { display: block; }
.mnav a.mnav-item {
  display: block; padding: 13px 4px;
  font-size: 16px; font-weight: 500; color: var(--ink);
  border-bottom: 1px solid var(--line);
}
.mnav .btn { width: 100%; margin-top: 16px; }
.mnav-lang { padding: 13px 4px; font-size: 14px; color: var(--muted); }

/* ============================================================
 * ① 首屏 Hero（2026-10-09 改版：去掉弧形传送带与极光，照 vibbit.cn 首屏做
 *   「背景图满屏 + 斜体英文底字 + 两行大标题 + 小字英文 + 副标 + 双按钮」）
 * ============================================================ */
.hero {
  /* ================= 首屏旋钮（10-09 用户要自己调：只改这几行）=================
     --hero-title    主标字号。参考站 = 8vw 封顶 110px；现放大到 9vw 封顶 124px
     --hero-ghost    底字 = 主标 × 这个倍数（参考站 1.25）
     --hero-overlap  底字与第一行标题的重叠量（参考站 .36em ≈ 40px）
     --gap-tag       角标 → 底字 的间距（参考站 36px）
     --gap-sub       主标 → 副标 的间距（参考站 40px）
     --gap-btn       副标 → 按钮 的间距（参考站 44px）
     --hero-sub-fs   副标字号（参考站 18px）
     =========================================================================== */
  /* 10-11 用户：1440 上主标小一点，但大屏别封死 —— 按宽和高取小值（宽屏不炸、矮屏不挤），封顶抬到 150：
     1440×900 ≈ 104 / 1920×1080 ≈ 124 / 2560×1440 = 150 */
  --hero-title: clamp(40px, min(7.4vw, 11.5vh), 150px);
  --hero-ghost: 1.25;
  --hero-ghost-cap: 6.6vw;                    /* 10-11 用户：英文底字小一点（原封顶 8vw） */
  --hero-ghost-alpha: .2;                     /* 英文底字透明度（0 看不见 → 1 实色），色相是品牌蓝 */
  --hero-overlap: .36em;
  --hero-lift: 36px;                          /* 10-11 用户：整组往上移（相对垂直居中位置） */
  --gap-tag: 36px;
  --gap-sub: clamp(44px, 3.9vw, 72px);        /* 10-11 用户：主标 → 副标 拉开（1440 = 56，随屏宽到 72） */
  --gap-btn: clamp(44px, 3.9vw, 72px);        /* 10-11 用户：副标 → 按钮 拉开（同上） */
  --hero-sub-fs: clamp(18px, 1.25vw, 24px);   /* 副标随屏宽：1440 = 18、1920 = 24 */

  position: relative;
  display: flex; flex-direction: column;
  min-height: 100vh;
  min-height: 100svh;
  padding: calc(var(--nav-h) + 24px) 0 72px;
  overflow: hidden;
  background: #050816;
}
/* 满屏背景图（images/okwebbg.webp 1920×940，10-12 由 png 转 webp 422→69KB）：cover 居中；顶部压一层暗渐变让顶栏读得清 */
.hero-bg {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background: url(../images/okwebbg.webp) center center / cover no-repeat;
}
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(5, 8, 22, .55) 0%, rgba(5, 8, 22, 0) 28%);
}

.hero-in {
  position: relative; z-index: 3; text-align: center;
  top: calc(-1 * var(--hero-lift));
  /* ★ 四个方向都是 auto：.wrap 的 `margin:0 auto` 管水平居中，这里要再加上垂直居中 */
  max-width: 1440px;
  margin: auto;
}

/* 标题组：所有尺寸按 .hero-head 的 font-size 用 em 联动，改一处全组跟着缩放。
   数值照 vibbit.cn 首屏实测：h1 = 8vw 封顶 110px（1440 宽 110、1024 宽 81.92）、900 / 行高 1.05 / 字距 -.03em；
   底字 = 10vw 封顶 140px（= 1.25 × h1）斜体 900，与第一行重叠 .36em；副标 18px / 行高 1.7 / 600 宽。
   ★ 参考站只按宽度缩放、不按高度缩，所以矮视口断点里不再收标题。 */
/* 角标（照参考站 .hero-tag 实测：32 高、内距 5/14/5/5、圆点 20、字 12px 灰、「已接入」白 600） */
.hero-tag {
  display: inline-flex; align-items: center; gap: 10px;
  height: 32px; padding: 5px 14px 5px 5px; margin-bottom: var(--gap-tag);
  border-radius: 100px;
  background: rgba(22, 24, 36, .92);
  border: 1px solid rgba(255, 255, 255, .08);
  font-size: 12px; line-height: 1; color: rgba(237, 239, 247, .62);
  white-space: nowrap;
}
.hero-tag-dot {
  display: inline-flex; align-items: center; justify-content: center;
  width: 20px; height: 20px; border-radius: 50%; background: var(--brand);
}
.hero-tag-dot img { width: 12px; height: 12px; }
.hero-tag strong { color: #fff; font-weight: 600; }
.hero-tag .dot-sep { margin: 0 7px; }

.hero-head {
  position: relative;
  font-size: var(--hero-title);
  /* 底字字号 = 主标 × 倍数，但封顶 8vw：「AI For Global Expansion」（10-19 用户定）23 个字符实宽 ≈ 11.3 × 字号，
     8vw × 12 = 96vw 正好不出屏；底字再长就要把 8vw 调小 */
  --hero-ghost-fs: min(calc(1em * var(--hero-ghost)), var(--hero-ghost-cap));
  padding-top: calc(var(--hero-ghost-fs) - var(--hero-overlap));   /* 给底字让出的高度 */
}
/* 斜体英文底字：品牌蓝低透明度，压在第一行标题后面（参考站是暗红 20%） */
.hero-ghost {
  position: absolute; left: 50%; top: 0;
  transform: translateX(-50%);
  white-space: nowrap; pointer-events: none; user-select: none;
  font-family: Geist, "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", sans-serif;
  font-size: var(--hero-ghost-fs); line-height: 1; font-weight: 900; font-style: italic;
  letter-spacing: -.03em;
  color: rgba(61, 93, 255, var(--hero-ghost-alpha));
}
.hero-title {
  position: relative;
  font-family: "Noto Sans SC", "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;   /* 900 只有 Noto 真有，雅黑/苹方回落是伪粗 */
  font-size: 1em; line-height: 1.05;
  font-weight: 900; letter-spacing: -.03em;
  color: #fff;
}
.hero-title span.l1, .hero-title span.l2 { display: block; }
.hero-title .grad {
  background: linear-gradient(96deg, #7EA0FF 0%, #A98BFF 46%, #F09DE8 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.hero-sub {
  max-width: 600px; margin: var(--gap-sub) auto 0;
  font-size: var(--hero-sub-fs); line-height: 1.7;
  color: rgba(237, 239, 247, .64);
}
.hero-btns { display: flex; align-items: center; justify-content: center; gap: 14px; margin-top: var(--gap-btn); flex-wrap: wrap; }
.hero-btns .btn svg { width: 17px; height: 17px; }
.hero-note { margin-top: 18px; font-size: 13px; color: rgba(237, 239, 247, .38); }

/* 矮视口只收首屏上下内距，不动旋钮（旋钮只认顶部那一处，用户自己调） */
@media (max-height: 820px) {
  .hero { padding-top: calc(var(--nav-h) + 14px); padding-bottom: 48px; }
}

/* ============================================================
 * 浅色段落（10-11 用户定：第二屏起白底，只有首屏和页脚保持深色）
 *   深色全站的文字令牌在 :root 里，这里按段落重设
 * ============================================================ */
.sec-light { background: #fff; color: #0A0A0A; }
.sec-light .h2 { color: #0A0A0A; }
.sec-light .lead { color: #404040; }

/* ============================================================
 * ② 任务轮播（复刻 pixpix.art「选一个任务」段，参数见 index.html 该段注释）
 * ============================================================ */
.tasks {
  --tk-w: 320px;                                  /* 卡宽；高按 9:16 算 */
  --tk-h: calc(var(--tk-w) * 16 / 9);
  --tk-gap: 4px;
  --tk-block-h: calc(var(--tk-h) + 104px);        /* 参考站 673 = 569 + 104，标签区在卡片下面 */
  padding: 120px 0 80px;
  overflow: hidden;
}
.tasks { --tk-gap: 0px; }   /* 主标 → 轮播 间距旋钮 */
.tasks .head { margin-bottom: 0; }
.tasks .h2 { font-size: clamp(34px, 4.7vw, 68px); font-weight: 900; letter-spacing: -.02em; line-height: 1.1; }
.tasks .lead { font-size: 17px; line-height: 1.6; margin-top: 16px; }
.tk-block { position: relative; margin-top: var(--tk-gap, 16px); height: var(--tk-block-h); }   /* 主标 → 轮播 的间距：10-11 用户要拉开，原 -40（参考站 -60）改 16；想调改 .tasks 里的 --tk-gap */
.tk-carousel { position: relative; height: 100%; }
/* 弧形遮罩：参考站的 SVG 原样（1000×1000 视图，preserveAspectRatio=none 拉到容器尺寸）。
   顶边从 (0,20) 弧到 (1000,20)、底边从 (1000,980) 弧到 (0,980)，半径 600×300：中间窄两头宽的「镜片」 */
.tk-viewport {
  height: var(--tk-h); overflow: hidden;
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1000 1000' preserveAspectRatio='none'%3E%3Cpath fill='white' d='M0 20 A600 300 0 0 0 1000 20 V980 A600 300 0 0 0 0 980 Z'/%3E%3C/svg%3E");
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1000 1000' preserveAspectRatio='none'%3E%3Cpath fill='white' d='M0 20 A600 300 0 0 0 1000 20 V980 A600 300 0 0 0 0 980 Z'/%3E%3C/svg%3E");
  -webkit-mask-size: 100% 100%; mask-size: 100% 100%;
  -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat;
}
.tk-stage, .tk-labels-stage { display: flex; height: 100%; will-change: transform; }
.tk-slide {
  flex: none; width: var(--tk-w); height: var(--tk-h); margin-right: var(--tk-gap);
  border-radius: 16px; overflow: hidden; background: #F5F5F5; position: relative;
  -webkit-user-drag: none; user-select: none; cursor: default;   /* 不可点，鼠标是普通箭头 */
}
.tk-slide img { width: 100%; height: 100%; object-fit: cover; display: block; }
/* 标签层：和卡片同一套位移，每张标签的 Y 由 JS 按底边弧线算（标签圆点压在卡片底边上） */
.tk-labels { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.tk-label {
  flex: none; width: var(--tk-w); margin-right: var(--tk-gap);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  will-change: transform;
}
.tk-icon {
  width: 44px; height: 44px; border-radius: 50%; background: #fff;
  display: flex; align-items: center; justify-content: center; color: #0A0A0A;
  box-shadow: 0 2px 10px rgba(0, 0, 0, .12);
}
.tk-icon svg { width: 22px; height: 22px; }
.tk-title { font-size: 16px; font-weight: 600; line-height: 24px; color: #0A0A0A; white-space: nowrap; }
.tk-nav {
  position: absolute; top: calc(var(--tk-h) / 2); transform: translateY(-50%); z-index: 3;
  width: 40px; height: 40px; border-radius: 50%;
  background: rgba(0, 0, 0, .3); color: #fff;
  display: flex; align-items: center; justify-content: center;
  transition: background .18s;
}
.tk-nav:hover { background: rgba(0, 0, 0, .5); }
.tk-nav svg { width: 16px; height: 16px; }
.tk-prev { left: 16px; }
.tk-next { right: 16px; }
.tk-cta {
  position: absolute; left: 50%; bottom: 0; transform: translateX(-50%);
  width: 220px; height: 48px; padding: 0;
  background: #171717; color: #FAFAFA; font-size: 16px; font-weight: 500;
}
.tk-cta:hover { background: #000; }
@media (max-width: 760px) {
  .tasks { --tk-w: 220px; padding: 80px 0 56px; }
  .tasks .lead { font-size: 15px; line-height: 1.7; }
  .tk-block { margin-top: -36px; }
  .tk-icon { width: 38px; height: 38px; }
  .tk-title { font-size: 14px; }
}

/* ============================================================
 * ③~⑤ 首页浅色段（10-11 第三版）：灰底 .sec-gray / 白底 .sec-light 交替
 * ============================================================ */
.sec-gray { background: #F5F6F8; color: #0A0A0A; }
.sec-gray .h2 { color: #0A0A0A; }
.sec-gray .lead { color: #404040; }
/* 10-11 用户定：各屏文字照 Vibbit 实测（1440 宽）：h2 68/900 行高 1.1 字距 -.02em；lead 17/400 行高 1.6；eyebrow 12/500 等宽字距 1.8 */
.sec-light .h2, .sec-gray .h2 { font-size: clamp(34px, 4.7vw, 68px); font-weight: 900; letter-spacing: -.02em; line-height: 1.1; }
.sec-light .lead, .sec-gray .lead { font-size: 17px; line-height: 1.6; margin-top: 16px; }
/* 白/灰底上的角标：照 Vibbit .section-label 实测 —— 胶囊 4px 12px、圆角 100、描边 15% 品牌色、底 6% 品牌色，
   等宽字 12/500、字距 1.8、行高 18、全大写，「English · 中文」中间画 .dot-sep */
.sec-light .eyebrow, .sec-gray .eyebrow, .endcta .eyebrow {
  display: inline-flex; align-items: center; height: auto; padding: 4px 12px; margin-bottom: 14px;
  border-radius: 100px; background: rgba(61, 93, 255, .06); border: 1px solid rgba(61, 93, 255, .15);
  /* 10-11 用户定：角标不用等宽字，跟全站一样雅黑（font-family 不写 = 继承 body）；字距从 1.8 收到 1，雅黑英文拉太开发散 */
  font-size: 12px; font-weight: 600; line-height: 18px;
  letter-spacing: 1px; text-transform: uppercase; color: var(--brand);
}
.sec-light .eyebrow .dot, .sec-gray .eyebrow .dot, .endcta .eyebrow .dot { display: none; }
.sec-light .eyebrow .dot-sep, .sec-gray .eyebrow .dot-sep, .endcta .eyebrow .dot-sep { margin: 0 8px; }
.btn-dark { background: #0A0A0A; color: #fff; }
.btn-dark:hover { background: #000; }

/* ③ 能力：PixPix 式分段 —— 编号 + 大标题 + 右侧大图 */
.caps .head { margin-bottom: 72px; }
.cap { display: grid; grid-template-columns: 5fr 7fr; gap: 64px; align-items: center; }
.cap + .cap { margin-top: 112px; }
.cap.rev .cap-txt { order: 2; }
.cap-no { display: inline-flex; align-items: center; font-family: "Geist Mono", "SF Mono", Menlo, Consolas, monospace; font-size: 11px; font-weight: 400; letter-spacing: 1.1px; color: #8A90A0; text-transform: uppercase; }
.cap-no .dot-sep { margin: 0 10px; }
.cap h3 { margin: 14px 0 12px; font-size: clamp(26px, 2.4vw, 34px); font-weight: 800; line-height: 1.2; color: #0A0A0A; letter-spacing: -.02em; }
.cap p { font-size: 15px; line-height: 1.7; color: #404040; }
.cap ul { list-style: none; margin: 22px 0 0; display: flex; flex-direction: column; gap: 10px; }
.cap li { position: relative; padding-left: 18px; font-size: 13px; color: #0A0A0A; line-height: 1.6; }
.cap li::before { content: ""; position: absolute; left: 0; top: 10px; width: 6px; height: 6px; border-radius: 50%; background: var(--brand); }
.cap-more { display: inline-flex; align-items: center; gap: 6px; margin-top: 24px; font-size: 14px; font-weight: 600; color: #0A0A0A; }
.cap-more svg { width: 16px; height: 16px; transition: transform .18s; }
.cap-more:hover svg { transform: translateX(3px); }
/* 真实截图位：16:10 圆角大卡；.shot-img 是换真截图后的那张图 */
.shot { background: #F5F6F8; border-radius: 24px; padding: 28px; aspect-ratio: 16 / 10; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.shot-img { width: 100%; height: 100%; object-fit: cover; border-radius: 14px; box-shadow: 0 12px 40px rgba(20, 22, 28, .12); display: block; }
.shot-ph { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; width: 100%; height: 100%; align-items: center; }
.shot-ph img { width: 100%; aspect-ratio: 9 / 16; max-height: 100%; object-fit: cover; border-radius: 14px; box-shadow: 0 12px 40px rgba(20, 22, 28, .12); }
.shot-ph img:nth-child(2) { transform: translateY(-14px); }

/* 模版库 */
.tpls { margin-top: 112px; padding-top: 56px; border-top: 1px solid #EEF0F4; }
.tpls-h { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.tpls-h h3 { font-size: clamp(24px, 2vw, 28px); font-weight: 800; color: #0A0A0A; letter-spacing: -.02em; }
.tpls-h p { color: #404040; margin-top: 8px; font-size: 15px; }
.tpl-cats { display: flex; gap: 8px; flex-wrap: wrap; }
.tpl-cat { padding: 8px 15px; border-radius: 999px; background: #F1F2F5; font-size: 13px; font-weight: 600; color: #0A0A0A; }
.tpl-cat.on { background: #0A0A0A; color: #fff; }
.tpl-row { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; margin-top: 28px; }
.tpl { border-radius: 16px; overflow: hidden; position: relative; aspect-ratio: 3 / 4; background: #F5F6F8; }
.tpl img { width: 100%; height: 100%; object-fit: cover; display: block; }
.tpl span { position: absolute; left: 10px; bottom: 10px; background: rgba(0, 0, 0, .62); color: #fff; font-size: 12px; padding: 5px 10px; border-radius: 6px; }

/* ④ 为什么：Vibbit 式一行一条，左标题右对比 */
.whys { display: flex; flex-direction: column; gap: 16px; }
.why { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; background: #fff; border: 1px solid #E6E8EE; border-radius: 22px; padding: 32px 40px; }
/* 10-11 用户要保留序号：左栏三列 —— 序号（等宽 13 品牌色）| 56 图标 | 主标/副标，三样一行居中对齐；标签字（整条线/卖货优先…）去掉 */
.why-txt { display: grid; grid-template-columns: 28px 56px 1fr; column-gap: 18px; align-items: center; }
.why-no { grid-column: 1; grid-row: 1 / span 2; font-family: "Geist Mono", "SF Mono", Menlo, Consolas, monospace; font-size: 13px; letter-spacing: 1px; color: var(--brand); }
.why-ico { grid-column: 2; grid-row: 1 / span 2; width: 56px; height: 56px; border-radius: 14px; background: rgba(61, 93, 255, .08); color: var(--brand); display: flex; align-items: center; justify-content: center; }
.why-ico svg { width: 26px; height: 26px; }
.why-txt h3 { grid-column: 3; grid-row: 1; }
.why-txt p { grid-column: 3; grid-row: 2; }
.why-txt h3 { margin: 0 0 8px; font-size: clamp(22px, 2vw, 28px); font-weight: 800; color: #0A0A0A; line-height: 1.2; letter-spacing: -.02em; }
.why-txt p { font-size: 15px; color: #404040; line-height: 1.7; }
.vs { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.vs div { border-radius: 14px; padding: 16px 18px; font-size: 13px; line-height: 1.6; }
.vs .a { background: #F5F6F8; color: #6B7280; }
.vs .b { background: rgba(61, 93, 255, .07); color: #0A0A0A; }
.vs small { display: block; font-family: "Geist Mono", "SF Mono", Menlo, Consolas, monospace; font-size: 10px; letter-spacing: 1px; font-weight: 400; margin-bottom: 8px; color: #8A90A0; }
.vs .b small { color: var(--brand); }
.vs .dot-sep { margin: 0 7px; }

/* ⑤ 案例 */
.cases { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.case { border-radius: 16px; overflow: hidden; background: #F5F6F8; border: 1px solid #EEF0F4; }
.case img { width: 100%; aspect-ratio: 9 / 16; object-fit: cover; display: block; }
.case-m { padding: 12px 14px; }
.case-m b { display: block; font-size: 14px; font-weight: 600; color: #0A0A0A; }
.case-m span { color: #6B7280; font-size: 12.5px; }
.cases-foot { text-align: center; margin-top: 36px; }

@media (max-width: 960px) {
  .cap, .cap.rev { grid-template-columns: 1fr; gap: 28px; }
  .cap.rev .cap-txt { order: 0; }
  .cap + .cap { margin-top: 72px; }
  .caps .head { margin-bottom: 48px; }
  .tpls { margin-top: 72px; }
  .tpl-row { grid-template-columns: repeat(3, 1fr); }
  .why { grid-template-columns: 1fr; gap: 20px; padding: 28px; }
  .cases { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 640px) {
  .tpl-row { grid-template-columns: repeat(2, 1fr); }
  .vs { grid-template-columns: 1fr; }
  .why-txt { grid-template-columns: 24px 44px 1fr; column-gap: 12px; }
  .why-ico { width: 44px; height: 44px; border-radius: 12px; }
  .why-ico svg { width: 22px; height: 22px; }
  .why-txt h3 { font-size: 21px; }
  .cases { grid-template-columns: repeat(2, 1fr); }
  .shot { padding: 16px; border-radius: 18px; }
  .shot-ph { gap: 8px; }
}

/* ============================================================
 * 首页第四版（10-11）：痛点 / 按人群 tab / 能力矩阵
 * ============================================================ */
.pains { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }   /* 10-11 用户定八条痛点，4×2 照 Vibbit */
.pain { background: #fff; border: 1px solid #E6E8EE; border-radius: 14px; padding: 28px 24px; }
.pain-ico { width: 44px; height: 44px; border-radius: 12px; background: rgba(61, 93, 255, .08); color: var(--brand); display: flex; align-items: center; justify-content: center; }
.pain-ico svg { width: 22px; height: 22px; }
.pain h4 { margin: 16px 0 8px; font-size: 17px; font-weight: 700; color: #0A0A0A; line-height: 1.3; }
.pain p { font-size: 13px; color: #6B7280; line-height: 1.6; }
/* 段尾引用框（照 Vibbit 实测，色换成品牌蓝） */
/* 段尾一句话：10-11 用户连否三版（蓝渐变框 / 无框 / 白卡），定稿不要框 —— 只留一道短的品牌色横线 + 一行 28/800 大字，靠留白撑 */
.pain-quote { max-width: 800px; margin: 56px auto 0; padding: 0; text-align: center; }
.pain-quote::before { content: ""; display: block; width: 40px; height: 3px; border-radius: 2px; background: var(--brand); margin: 0 auto 22px; }
.pain-quote p { font-size: 28px; font-weight: 800; line-height: 1.3; color: #0A0A0A; letter-spacing: -.02em; }
.pain-quote .accent { color: var(--brand); }

/* 按人群 tab（Vibbit「使用场景」那段的做法） */
/* 按人群：10-11 用户定 —— 四张竖卡并排，不要 tab、不要发光、不要悬停动效、不要「用到的功能」行，文字要短、留白要够。
   卡 = 线条图标（品牌色淡底方块，同痛点卡）→ 人群名 20/800 → 处境 13 灰 → 一句断言 15/600 → 三条短要点（品牌色圆点） */
.sc-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.sc-col { background: #fff; border: 1px solid #E6E8EE; border-radius: 20px; padding: 32px 28px 34px; }
.sc-ico { width: 48px; height: 48px; border-radius: 14px; background: rgba(61, 93, 255, .08); color: var(--brand); display: flex; align-items: center; justify-content: center; margin-bottom: 22px; }
.sc-ico svg { width: 24px; height: 24px; }
.sc-col h3 { margin: 0 0 4px; font-size: 20px; font-weight: 800; line-height: 1.3; color: #0A0A0A; letter-spacing: -.01em; }
.sc-tag { font-size: 13px; color: #8A90A0; }
.sc-st { margin: 22px 0 0; padding-top: 20px; border-top: 1px solid #EEF0F4; font-size: 15px; font-weight: 600; line-height: 1.5; color: #0A0A0A; }
.sc-li { list-style: none; margin: 14px 0 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.sc-li li { position: relative; padding-left: 16px; font-size: 13px; line-height: 1.6; color: #404040; }
.sc-li li::before { content: ""; position: absolute; left: 0; top: 8px; width: 6px; height: 6px; border-radius: 50%; background: var(--brand); }
@media (max-width: 960px) { .sc-cols { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .sc-cols { grid-template-columns: 1fr; } .sc-col { padding: 26px 22px 28px; } }

/* 能力矩阵 */
.mx { background: #fff; border: 1px solid #E6E8EE; border-radius: 22px; padding: 28px 32px; }
.mx + .mx { margin-top: 16px; }
.mx-h { display: flex; align-items: baseline; gap: 14px; margin-bottom: 20px; }
.mx-no { font-size: 13px; font-weight: 700; letter-spacing: 2px; color: #8A90A0; }
.mx-h b { font-size: 22px; font-weight: 650; color: #0A0A0A; }
.mx-sub { font-size: 14px; color: #6B7280; }
.tools { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.tool { display: flex; flex-direction: column; gap: 6px; padding: 18px 18px 16px; border-radius: 14px; background: #F7F8FA; transition: background .18s, transform .18s; }
.tool:hover { background: #EEF1FF; transform: translateY(-2px); }
.tool-ico { width: 36px; height: 36px; border-radius: 10px; background: #fff; color: var(--brand); display: flex; align-items: center; justify-content: center; margin-bottom: 6px; border: 1px solid #E6E8EE; }
.tool-ico svg { width: 18px; height: 18px; }
.tool b { font-size: 15px; font-weight: 650; color: #0A0A0A; }
.tool > span:not(.tool-ico) { font-size: 13px; color: #6B7280; line-height: 1.6; }

/* 能力页顶部留出顶栏 */
.page-top { padding-top: calc(var(--nav-h) + 96px); }

@media (max-width: 960px) {
  .pains { grid-template-columns: 1fr 1fr; }
  .pain-quote p { font-size: 22px; }
  .tools { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .pains { grid-template-columns: 1fr; }
  .tools { grid-template-columns: 1fr; }
}

/* ============================================================
 * ③ 闭环四步
 * ============================================================ */
.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.flow-step {
  position: relative;
  padding: 28px 24px 26px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .055), rgba(255, 255, 255, .02));
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  transition: transform .22s, box-shadow .22s, border-color .22s;
}
.flow-step:hover { transform: translateY(-5px); border-color: rgba(61, 93, 255, .4); box-shadow: var(--sh-hover); }
.flow-ico {
  width: 44px; height: 44px; margin-bottom: 18px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--r-md);
  background: rgba(61, 93, 255, .15); color: var(--brand-lite);
  border: 1px solid rgba(61, 93, 255, .24);
}
.flow-ico svg { width: 21px; height: 21px; }
.flow-step:nth-child(2) .flow-ico { background: rgba(124, 92, 255, .15); border-color: rgba(124, 92, 255, .26); color: #B49BFF; }
.flow-step:nth-child(3) .flow-ico { background: rgba(34, 211, 238, .13); border-color: rgba(34, 211, 238, .24); color: #6FE3F5; }
.flow-step:nth-child(4) .flow-ico { background: rgba(245, 158, 11, .13); border-color: rgba(245, 158, 11, .24); color: #F9C464; }
.flow-n { font-size: 12px; font-weight: 700; color: var(--faint); letter-spacing: 1.5px; }
.flow-step h4 { margin: 2px 0 9px; font-size: 18.5px; font-weight: 650; color: #fff; }
.flow-step p { font-size: 14px; color: var(--muted); line-height: 1.75; }
.flow-step::after {
  content: ""; position: absolute; top: 46px; right: -13px; z-index: 2;
  width: 8px; height: 8px;
  border-top: 1.5px solid var(--faint); border-right: 1.5px solid var(--faint);
  transform: rotate(45deg);
}
.flow-step:last-child::after { display: none; }

/* ============================================================
 * ④ 创作能力（tab）
 * ============================================================ */
.tabs { display: flex; justify-content: center; margin-bottom: 46px; }
.tabs-in {
  display: inline-flex; gap: 4px; padding: 4px;
  background: rgba(255, 255, 255, .05);
  border: 1px solid var(--line);
  border-radius: 999px;
}
.tab {
  height: 40px; padding: 0 24px; border-radius: 999px;
  font-size: 15px; font-weight: 500; color: var(--muted);
  transition: background .18s, color .18s;
}
.tab:hover { color: var(--ink); }
.tab.on { background: #fff; color: #0A0A0A; font-weight: 650; }

.pane { display: none; }
.pane.on { display: block; animation: fade .35s cubic-bezier(.2,.7,.3,1); }
@keyframes fade { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

.split { display: grid; grid-template-columns: 400px 1fr; gap: 60px; align-items: center; }

.split-txt h3 { font-size: clamp(23px, 2.6vw, 31px); font-weight: 700; line-height: 1.35; letter-spacing: -.6px; color: #fff; }
.split-txt > p { margin-top: 15px; font-size: 15.5px; color: var(--muted); line-height: 1.85; }
.split-txt > p b { color: var(--ink-2); font-weight: 600; }

.pts { margin-top: 28px; display: flex; flex-direction: column; gap: 17px; }
.pt { display: flex; gap: 12px; }
.pt-ico {
  width: 26px; height: 26px; flex-shrink: 0; margin-top: 3px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 8px; background: rgba(61, 93, 255, .16); color: var(--brand-lite);
}
.pt-ico svg { width: 14px; height: 14px; }
.pt b { display: block; font-size: 15px; font-weight: 650; color: var(--ink); }
.pt span { font-size: 14px; color: var(--muted); line-height: 1.7; }

.split-vis { min-width: 0; }

/* ============================================================
 * ⑤ 发布与矩阵 / ⑥ 趋势数据 / ⑦ 资产库 —— 双色分栏卡
 * ============================================================ */
.pub-rows { display: flex; flex-direction: column; gap: 26px; }
.pub-row {
  display: grid; grid-template-columns: 1fr 1fr;
  background: linear-gradient(180deg, rgba(255, 255, 255, .055), rgba(255, 255, 255, .02));
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  overflow: hidden;
  transition: border-color .22s, box-shadow .22s;
}
.pub-row:hover { border-color: rgba(61, 93, 255, .32); box-shadow: var(--sh-hover); }
.pub-txt { padding: 46px 44px; align-self: center; }
.pub-txt h3 { font-size: 25px; font-weight: 700; letter-spacing: -.5px; color: #fff; }
.pub-txt p { margin-top: 13px; font-size: 15px; color: var(--muted); line-height: 1.85; }
.pub-txt .eyebrow { margin-bottom: 14px; }
.pub-row.rev .pub-txt { order: 2; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  height: 30px; padding: 0 13px; border-radius: 999px;
  background: rgba(255, 255, 255, .06);
  border: 1px solid var(--line);
  color: var(--ink-2);
  font-size: 13px; font-weight: 500;
}
.chip svg { width: 13px; height: 13px; color: var(--success); }

/* ============================================================
 * ⑧ 谁在用
 * ============================================================ */
.who { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.who-card {
  padding: 32px 28px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .055), rgba(255, 255, 255, .02));
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  transition: transform .22s, box-shadow .22s, border-color .22s;
}
.who-card:hover { transform: translateY(-5px); border-color: rgba(61, 93, 255, .34); box-shadow: var(--sh-hover); }
.who-ico {
  width: 46px; height: 46px; margin-bottom: 20px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--r-md); color: #fff;
}
.who-ico svg { width: 22px; height: 22px; }
.who-card:nth-child(1) .who-ico { background: linear-gradient(135deg, #3D5DFF, #6E86FF); box-shadow: 0 8px 22px rgba(61, 93, 255, .32); }
.who-card:nth-child(2) .who-ico { background: linear-gradient(135deg, #7C5CFF, #B49BFF); box-shadow: 0 8px 22px rgba(124, 92, 255, .3); }
.who-card:nth-child(3) .who-ico { background: linear-gradient(135deg, #0E9BB0, #22D3EE); box-shadow: 0 8px 22px rgba(34, 211, 238, .26); }
.who-card h4 { font-size: 18.5px; font-weight: 650; color: #fff; }
.who-pain { margin: 11px 0 13px; padding-left: 13px; border-left: 2px solid rgba(255, 255, 255, .18); font-size: 14px; color: var(--faint); }
.who-card p { font-size: 14.5px; color: var(--muted); line-height: 1.8; }

/* ============================================================
 * 价格卡 / 积分说明 / FAQ（定价页与功能页复用，首页不再展示）
 * ============================================================ */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.plan {
  position: relative; display: flex; flex-direction: column;
  padding: 34px 28px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .055), rgba(255, 255, 255, .02));
  border: 1px solid var(--line); border-radius: var(--r-xl);
}
.plan.hot { border-color: rgba(61, 93, 255, .46); box-shadow: 0 14px 46px rgba(61, 93, 255, .2); }
.plan-tag {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  height: 24px; padding: 0 12px; border-radius: 999px;
  background: var(--brand); color: #fff; font-size: 12px; font-weight: 600;
  display: flex; align-items: center;
}
.plan-name { font-size: 17px; font-weight: 650; color: #fff; }
.plan-desc { margin-top: 6px; font-size: 13.5px; color: var(--muted); min-height: 42px; }
.plan-price { display: flex; align-items: baseline; gap: 4px; margin: 14px 0 4px; }
.plan-price .cur { font-size: 20px; font-weight: 600; color: var(--faint); }
.plan-price .num { font-size: 38px; font-weight: 700; letter-spacing: -1px; color: var(--faint); }
.plan-price .per { font-size: 14px; color: var(--muted); }
.plan-hint { font-size: 12.5px; color: var(--faint); }
.plan ul { list-style: none; margin: 22px 0 26px; display: flex; flex-direction: column; gap: 11px; }
.plan li { display: flex; gap: 9px; font-size: 14px; color: var(--ink-2); }
.plan li svg { width: 15px; height: 15px; margin-top: 4px; color: var(--brand-lite); }
.plan li em { font-style: normal; color: var(--faint); }
.plan .btn { margin-top: auto; width: 100%; }

.credit-note {
  display: flex; align-items: flex-start; gap: 13px;
  max-width: 880px; margin: 30px auto 0; padding: 20px 24px;
  background: rgba(255, 255, 255, .04);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  font-size: 14.5px; color: var(--muted); line-height: 1.85;
}
.credit-note svg { width: 18px; height: 18px; margin-top: 4px; color: var(--brand-lite); }
.credit-note b { color: var(--ink); font-weight: 650; }

.faq { max-width: 820px; margin: 0 auto; }
.qa { border-bottom: 1px solid var(--line); }
.qa-q {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  width: 100%; padding: 22px 4px; text-align: left;
  font-size: 16.5px; font-weight: 600; line-height: 1.6; color: var(--ink);
  transition: color .18s;
}
.qa-q:hover { color: var(--brand-lite); }
.qa-q .pm { width: 22px; height: 22px; flex-shrink: 0; color: var(--faint); transition: transform .25s, color .18s; }
.qa.open .qa-q .pm { transform: rotate(45deg); color: var(--brand-lite); }
.qa-a { max-height: 0; overflow: hidden; transition: max-height .3s cubic-bezier(.2,.7,.3,1); }
.qa-a p { padding: 0 4px 22px; font-size: 15px; color: var(--muted); line-height: 1.9; }

/* ============================================================
 * 结尾 CTA + 页脚
 * ============================================================ */
.endcta { position: relative; padding: 110px 0; overflow: hidden; text-align: center; border-top: 1px solid var(--line); }
.endcta::before {
  content: ""; position: absolute; inset: -20% -10% -20% -10%;
  background:
    radial-gradient(40% 52% at 50% 52%, rgba(61, 93, 255, .38) 0%, rgba(61, 93, 255, 0) 70%),
    radial-gradient(30% 44% at 76% 62%, rgba(124, 92, 255, .28) 0%, rgba(124, 92, 255, 0) 72%),
    radial-gradient(26% 40% at 23% 60%, rgba(217, 70, 239, .18) 0%, rgba(217, 70, 239, 0) 74%);
  pointer-events: none;
}
.endcta-in { position: relative; z-index: 2; }
.endcta h2 { font-size: clamp(34px, 4.7vw, 68px); font-weight: 900; letter-spacing: -.02em; color: #fff; line-height: 1.1; }
.endcta p { margin: 18px auto 0; max-width: 580px; font-size: 17px; line-height: 1.5; color: rgba(237, 239, 247, .66); }
.endcta .hero-btns { margin-top: 34px; }

/* 页脚：照 vibbit.cn 实测 —— 上内距 72 下 36；左栏 logo + 13px 灰两行（上距 16）；列标题 12/600 白下距 14；链接 13px 灰行距 10；
   底条上边线 + 上内距 28，11px 更灰，左版权右链接（间距 20）。10-12 用户定三列：产品 / 资源 / 合作 */
.foot { position: relative; z-index: 2; border-top: 1px solid var(--line); padding: 72px 0 36px; color: var(--muted); }
.foot-top { display: grid; grid-template-columns: 2fr 1fr 1.9fr 1fr; gap: 28px; margin-bottom: 56px; }   /* 10-12 用户：中间列换成「场景与能力」两列 6+5，所以给宽一点 */
.foot-links2 { display: grid; grid-template-columns: 1fr 1fr; column-gap: 24px; }
.foot-col .soon { font-style: normal; font-size: 10px; padding: 1px 5px; margin-left: 4px; border-radius: 999px; background: rgba(255, 255, 255, .08); color: #A0A0A5; vertical-align: middle; }
.foot-brand p { margin-top: 16px; font-size: 13px; line-height: 1.6; color: #A0A0A5; }
.foot-col h5 { font-size: 12px; font-weight: 600; color: #fff; margin-bottom: 14px; }
.foot-col a { display: block; font-size: 13px; line-height: 1.5; color: #A0A0A5; margin-bottom: 10px; cursor: pointer; transition: color .18s; }
.foot-col a:hover { color: #fff; }
.foot-bot { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; padding-top: 28px; border-top: 1px solid var(--line); font-size: 11px; color: #6E6E73; }
.foot-bot .dot-sep { margin: 0 8px; vertical-align: .22em; }   /* 11px 字下通用的 .36em 偏高 1.5px，单独压一档 */
.foot-bot-links { display: flex; gap: 20px; }
.foot-bot a { color: #6E6E73; cursor: pointer; }
.foot-bot a:hover { color: #fff; }

/* ============================================================
 * 占位页（功能介绍 / 定价）
 * ============================================================ */
.soonpage { position: relative; padding: calc(var(--nav-h) + 120px) 0 140px; text-align: center; overflow: hidden; }
.soonpage::before {
  content: ""; position: absolute; left: 50%; top: -180px; transform: translateX(-50%);
  width: min(1000px, 100%); height: 620px; pointer-events: none;
  background: radial-gradient(48% 50% at 50% 50%, rgba(61, 93, 255, .26) 0%, rgba(61, 93, 255, 0) 70%);
}
.soonpage .wrap { position: relative; z-index: 1; }
.soonpage .lead { max-width: 580px; margin: 18px auto 0; }
.soonpage .hero-btns { margin-top: 34px; }
.soon-art {
  width: 78px; height: 78px; margin: 0 auto 28px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(61, 93, 255, .22), rgba(124, 92, 255, .18));
  border: 1px solid rgba(61, 93, 255, .3);
  color: var(--brand-lite);
}
.soon-art svg { width: 34px; height: 34px; }
.soon-list { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; max-width: 740px; margin: 38px auto 0; }

/* ============================================================
 * 产品界面仿真件（.app 家族）
 *   ★ 这里把令牌局部翻回浅色 —— 产品端是浅色界面，
 *     在深色官网上呈现为「一块亮着的屏」，对比更强
 * ============================================================ */
.app, .pub-vis {
  --bg: #FFFFFF;
  --canvas: #F9F9FA;
  --panel: #F5F6F7;
  --inset: #F9FAFB;
  --media: #E8E9EE;
  --line: #E8EAEE;
  --line-2: #DFE2E8;
  --ink: #0A0A0A;
  --ink-2: #2B2B2B;
  --muted: #7A7E88;
  --faint: #B0B4C4;
  --brand-lite: #3D5DFF;
  --success: #2FA84F;
  --orange: #E8863A;
  --cyan: #0EA5B5;
  --sh-card: 0 1px 3px rgba(0, 0, 0, .05);
  color: var(--ink);
}

/* 分栏卡右半：浅色「产品面」 */
.pub-vis {
  padding: 38px;
  background: linear-gradient(180deg, #FFFFFF 0%, #F4F5F8 100%);
  display: flex; align-items: center; justify-content: center;
}
.pub-row.rev .pub-vis { order: 1; }

.app {
  background: var(--bg);
  border: 1px solid var(--line-2);
  border-radius: var(--r-lg);
  overflow: hidden;
  text-align: left;
  font-size: 13px;
  user-select: none;
}
.app-bar {
  display: flex; align-items: center; gap: 8px;
  height: 38px; padding: 0 14px;
  background: var(--panel); border-bottom: 1px solid var(--line);
}
.app-dot { width: 10px; height: 10px; border-radius: 50%; background: #DDE0E6; }
.app-url {
  margin-left: 10px; padding: 3px 12px; border-radius: 999px;
  background: var(--bg); border: 1px solid var(--line);
  font-size: 11.5px; color: var(--faint);
}
.app-body { display: flex; min-height: 380px; }

/* 侧栏 */
.app-side { width: 168px; flex-shrink: 0; background: #F3F3F6; border-right: 1px solid var(--line); padding: 14px 10px; }
.app-side-brand { display: flex; align-items: center; gap: 7px; padding: 0 6px 14px; }
.app-side-brand img { width: 20px; height: 20px; }
.app-side-brand span { font-size: 14px; font-weight: 700; }
.app-side-brand .dot { color: #3D5DFF; }
.app-lab { padding: 12px 8px 6px; font-size: 10.5px; color: var(--faint); letter-spacing: .5px; }
.app-item {
  display: flex; align-items: center; gap: 9px;
  padding: 7px 8px; border-radius: var(--r-sm);
  font-size: 12.5px; color: var(--ink-2);
}
.app-item svg { width: 15px; height: 15px; color: var(--muted); }
.app-item.on { background: #E4E9FF; color: #3D5DFF; font-weight: 600; }
.app-item.on svg { color: #3D5DFF; }

/* 主区 */
.app-main { flex: 1; background: var(--canvas); padding: 22px; position: relative; overflow: hidden; }
.app-main.aura::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 260px;
  background:
    radial-gradient(24% 60% at 62% 12%, #E1E9FE 0%, rgba(225, 233, 254, 0) 70%),
    radial-gradient(18% 46% at 86% 10%, #F2EAFF 0%, rgba(242, 234, 255, 0) 72%),
    radial-gradient(18% 46% at 40% 10%, #FFEFF6 0%, rgba(255, 239, 246, 0) 72%);
  pointer-events: none;
}
.app-main > * { position: relative; z-index: 1; }
.app-h { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.app-h b { font-size: 15px; font-weight: 650; }
.app-h .sub { font-size: 11.5px; color: var(--muted); }

/* 首屏那台：标题 + 分段 tab + 对话框 + 功能卡 */
.app-hero-t { text-align: center; font-size: 19px; font-weight: 700; margin: 10px 0 16px; }
.app-seg { display: flex; justify-content: center; margin-bottom: 16px; }
.app-seg-in { display: inline-flex; gap: 3px; padding: 3px; background: #EEEFF3; border-radius: 999px; }
.app-seg span { padding: 5px 14px; border-radius: 999px; font-size: 12px; color: var(--muted); }
.app-seg span.on { background: #fff; color: var(--ink); font-weight: 600; box-shadow: 0 1px 2px rgba(0, 0, 0, .06); }

.app-box { border: 1px solid var(--line); border-radius: 22px; background: #fff; padding: 12px 16px; box-shadow: var(--sh-card); }
.app-box-top { display: flex; align-items: center; gap: 8px; }
.app-mini { display: inline-flex; gap: 3px; padding: 2px; background: var(--panel); border-radius: 999px; }
.app-mini span { padding: 3px 10px; border-radius: 999px; font-size: 11px; color: var(--muted); }
.app-mini span.on { background: #fff; color: var(--ink); font-weight: 600; box-shadow: 0 1px 2px rgba(0, 0, 0, .06); }
.app-box-mid { display: flex; align-items: flex-start; gap: 10px; margin-top: 12px; }
.app-thumb { width: 38px; height: 51px; border-radius: 8px; background: var(--media); object-fit: cover; }
.app-thumb.add {
  display: flex; align-items: center; justify-content: center;
  border: 1px dashed var(--line-2); background: var(--inset); color: var(--faint); font-size: 16px;
}
.app-ph { flex: 1; padding-top: 6px; font-size: 12.5px; color: var(--faint); }
.app-box-bot { display: flex; align-items: center; justify-content: space-between; margin-top: 12px; }
.app-tools { display: flex; gap: 6px; }
.app-tool { padding: 3px 9px; border: 1px solid var(--line); border-radius: 999px; font-size: 11px; color: var(--muted); }
.app-send { width: 28px; height: 28px; border-radius: 50%; background: #3D5DFF; color: #fff; display: flex; align-items: center; justify-content: center; }
.app-send svg { width: 14px; height: 14px; }

.app-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 18px; }
.app-cardx { position: relative; aspect-ratio: 16/10; border-radius: var(--r-md); overflow: hidden; background: var(--media); }
.app-cardx img { width: 100%; height: 100%; object-fit: cover; }
.app-cardx span {
  position: absolute; left: 8px; bottom: 8px;
  padding: 3px 9px; border-radius: 999px;
  background: rgba(255, 255, 255, .94); color: var(--ink);
  font-size: 10.5px; font-weight: 600;
}

/* 素材网格 */
.grid4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.tile { position: relative; border-radius: var(--r-md); overflow: hidden; background: var(--media); aspect-ratio: 3/4; }
.tile.wide { aspect-ratio: 4/3; }
.tile img { width: 100%; height: 100%; object-fit: cover; }
.tile .badge {
  position: absolute; right: 6px; bottom: 6px;
  padding: 1px 7px; border-radius: 999px;
  background: rgba(0, 0, 0, .42); color: #fff; font-size: 10.5px;
}
.tile .play {
  position: absolute; inset: 0; margin: auto;
  width: 32px; height: 32px; border-radius: 50%;
  background: rgba(255, 255, 255, .9); color: var(--ink);
  display: flex; align-items: center; justify-content: center;
}
.tile .play svg { width: 13px; height: 13px; margin-left: 2px; }
.tile.gen {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
  background: var(--inset); border: 1px dashed var(--line-2); color: var(--faint); font-size: 11.5px;
}
.tile .prog { width: 56%; height: 4px; border-radius: 999px; background: var(--line); overflow: hidden; }
.tile .prog i { display: block; height: 100%; width: 62%; background: #3D5DFF; border-radius: 999px; animation: prog 2.4s ease-in-out infinite; }
@keyframes prog { 0%, 100% { width: 42% } 50% { width: 82% } }

/* 数字人 */
.dh { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.dh-h { font-size: 11.5px; color: var(--muted); margin-bottom: 8px; }
.dh-faces { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.dh-face { position: relative; aspect-ratio: 3/4; border-radius: 10px; overflow: hidden; background: var(--media); }
.dh-face img { width: 100%; height: 100%; object-fit: cover; }
.dh-face.on { outline: 2px solid #3D5DFF; outline-offset: 1px; }
.dh-face .tick {
  position: absolute; right: 4px; top: 4px; width: 15px; height: 15px; border-radius: 50%;
  background: #3D5DFF; color: #fff; display: flex; align-items: center; justify-content: center;
}
.dh-face .tick svg { width: 9px; height: 9px; }
.dh-voices { display: flex; flex-direction: column; gap: 6px; }
.dh-voice {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 10px; border: 1px solid var(--line); border-radius: 10px;
  background: #fff; font-size: 12px;
}
.dh-voice.on { border-color: #3D5DFF; background: rgba(61, 93, 255, .05); }
.dh-voice .wave { display: flex; align-items: center; gap: 2px; margin-left: auto; }
.dh-voice .wave i { width: 2px; border-radius: 2px; background: var(--faint); }
.dh-voice.on .wave i { background: #3D5DFF; }
.dh-voice .wave i:nth-child(1) { height: 7px }
.dh-voice .wave i:nth-child(2) { height: 12px }
.dh-voice .wave i:nth-child(3) { height: 9px }
.dh-voice .wave i:nth-child(4) { height: 14px }
.dh-voice .wave i:nth-child(5) { height: 6px }
.dh-voice .pl { width: 20px; height: 20px; border-radius: 50%; background: var(--panel); display: flex; align-items: center; justify-content: center; }
.dh-voice .pl svg { width: 9px; height: 9px; margin-left: 1px; color: var(--muted); }

/* 账号分型卡 */
.accs { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; width: 100%; }
.acc {
  display: flex; align-items: center; gap: 10px;
  padding: 12px; background: #fff;
  border: 1px solid var(--line); border-radius: var(--r-md);
  box-shadow: var(--sh-card);
}
.acc-av { position: relative; width: 34px; height: 34px; border-radius: 50%; overflow: hidden; background: var(--media); flex-shrink: 0; }
.acc-av img { width: 100%; height: 100%; object-fit: cover; }
.acc-av::after {
  content: ""; position: absolute; right: -1px; bottom: -1px;
  width: 12px; height: 12px; border-radius: 50%; border: 2px solid #fff;
}
.acc.shop .acc-av::after { background: #3D5DFF; }
.acc.star .acc-av::after { background: #7C5CFF; }
.acc.flow .acc-av::after { background: #0EA5B5; }
.acc.plain .acc-av::after { background: #B0B4C4; }
.acc-b { display: flex; flex-direction: column; align-items: flex-start; min-width: 0; }
.acc-n { display: block; max-width: 100%; font-size: 12.5px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.acc-t { display: inline-flex; align-items: center; height: 18px; padding: 0 7px; margin-top: 3px; border-radius: 999px; font-size: 10.5px; font-weight: 600; }
.acc.shop .acc-t { background: rgba(61, 93, 255, .10); color: #3D5DFF; }
.acc.star .acc-t { background: rgba(124, 92, 255, .10); color: #7C5CFF; }
.acc.flow .acc-t { background: rgba(14, 165, 181, .10); color: #0EA5B5; }
.acc.plain .acc-t { background: var(--panel); color: var(--muted); }

/* 设备列表 */
.devs { display: flex; flex-direction: column; gap: 8px; width: 100%; }
.dev {
  display: flex; align-items: center; gap: 11px;
  padding: 11px 13px; background: #fff;
  border: 1px solid var(--line); border-radius: var(--r-md); box-shadow: var(--sh-card);
}
.dev-ico { width: 30px; height: 30px; border-radius: 8px; background: var(--panel); display: flex; align-items: center; justify-content: center; color: var(--muted); }
.dev-ico svg { width: 15px; height: 15px; }
.dev > span:not([class]) { flex: 1; min-width: 0; }
.dev-n { display: block; font-size: 12.5px; font-weight: 600; }
.dev-s { display: block; font-size: 11px; color: var(--muted); line-height: 1.5; }
.dev-st { margin-left: auto; display: inline-flex; align-items: center; gap: 5px; font-size: 11px; font-weight: 600; }
.dev-st i { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.dev-st.ok { color: var(--success); }
.dev-st.busy { color: var(--orange); }
.dev-st.off { color: var(--faint); }

/* 任务预检卡 */
.task { width: 100%; background: #fff; border: 1px solid var(--line); border-radius: var(--r-md); box-shadow: var(--sh-card); overflow: hidden; }
.task-h { display: flex; align-items: center; gap: 8px; padding: 12px 14px; border-bottom: 1px solid var(--line); }
.task-h b { font-size: 13px; }
.task-h .kind { height: 20px; padding: 0 8px; border-radius: 999px; background: rgba(61, 93, 255, .10); color: #3D5DFF; font-size: 10.5px; font-weight: 600; display: flex; align-items: center; }
.task-h .time { margin-left: auto; font-size: 11px; color: var(--muted); }
.task-b { padding: 12px 14px; display: flex; flex-direction: column; gap: 9px; }
.chk { display: flex; align-items: center; gap: 9px; font-size: 12px; }
.chk i {
  width: 17px; height: 17px; border-radius: 50%; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(47, 168, 79, .12); color: var(--success);
}
.chk i svg { width: 10px; height: 10px; }
.chk.warn i { background: rgba(232, 134, 58, .14); color: var(--orange); }
.chk span { color: var(--ink-2); }
.chk em { font-style: normal; margin-left: auto; font-size: 11px; color: var(--muted); }
.task-f { padding: 11px 14px; background: var(--inset); border-top: 1px solid var(--line); display: flex; align-items: center; gap: 8px; }
.task-f .mini-btn { height: 26px; padding: 0 12px; border-radius: 999px; background: #3D5DFF; color: #fff; font-size: 11.5px; font-weight: 600; display: flex; align-items: center; }
.task-f .mini-note { font-size: 11px; color: var(--muted); }

/* 趋势榜 */
.trend { width: 100%; display: flex; flex-direction: column; gap: 8px; }
.tr {
  display: flex; align-items: center; gap: 11px;
  padding: 9px 12px; background: #fff;
  border: 1px solid var(--line); border-radius: var(--r-md); box-shadow: var(--sh-card);
}
.tr-n { width: 20px; font-size: 12px; font-weight: 700; color: var(--faint); font-variant-numeric: tabular-nums; }
.tr:nth-child(1) .tr-n { color: var(--orange); }
.tr-img { width: 30px; height: 40px; border-radius: 6px; object-fit: cover; background: var(--media); }
.tr-b { display: block; min-width: 0; flex: 1; }
.tr-t { display: block; font-size: 12px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tr-m { display: block; font-size: 11px; color: var(--muted); line-height: 1.5; }
.tr-v { font-size: 11.5px; font-weight: 700; color: var(--success); }

/* 数据看板 */
.dash { width: 100%; }
.dash-tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 10px; }
.tile-s { padding: 11px 12px; background: #fff; border: 1px solid var(--line); border-radius: var(--r-md); box-shadow: var(--sh-card); }
.tile-s .k { font-size: 10.5px; color: var(--muted); }
.tile-s .v { font-size: 18px; font-weight: 700; letter-spacing: -.5px; margin-top: 2px; }
.tile-s .d { font-size: 10.5px; color: var(--success); font-weight: 600; }
.bars {
  height: 118px; padding: 14px 12px 10px; background: #fff;
  border: 1px solid var(--line); border-radius: var(--r-md); box-shadow: var(--sh-card);
  display: flex; align-items: flex-end; gap: 6px;
}
.bars i { flex: 1; border-radius: 4px 4px 2px 2px; background: linear-gradient(180deg, #6E86FF, #3D5DFF); opacity: .9; }

/* 资产库 */
.asset-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; width: 100%; }
.asset-h { display: flex; align-items: center; gap: 7px; font-size: 12px; font-weight: 650; margin-bottom: 9px; }
.asset-h svg { width: 14px; height: 14px; color: #3D5DFF; }
.prod {
  display: flex; align-items: center; gap: 9px;
  padding: 8px 10px; background: #fff; border: 1px solid var(--line);
  border-radius: 10px; box-shadow: var(--sh-card); margin-bottom: 8px;
}
.prod img { width: 32px; height: 32px; border-radius: 7px; object-fit: cover; background: var(--media); }
.prod > span:not([class]) { flex: 1; min-width: 0; }
.prod-n { display: block; font-size: 12px; font-weight: 600; }
.prod-m { display: block; font-size: 10.5px; color: var(--muted); line-height: 1.5; }
.prod-c { margin-left: auto; font-size: 10.5px; color: var(--faint); }

/* ============================================================
 * 响应式
 * ============================================================ */
@media (max-width: 1080px) {
  .foot-top { grid-template-columns: 1fr 1fr 1fr; gap: 28px; }
  .foot-brand { grid-column: 1 / -1; }
}
@media (max-width: 960px) {
  .sec { padding: 76px 0; }
  .nav-links { display: none; }
  .nav-right .lang { display: none; }
  .nav-right .btn { display: none; }
  .nav-burger { display: flex; }
  .nav-in { justify-content: space-between; }

  .hero { padding-top: calc(var(--nav-h) + 40px); padding-bottom: 56px; }
  .hero { --hero-title: clamp(40px, min(8vw, 11.5vh), 150px); }

  .flow { grid-template-columns: 1fr 1fr; }
  .flow-step:nth-child(2)::after { display: none; }

  .split { grid-template-columns: 1fr; gap: 34px; }

  .pub-row, .pub-row.rev { grid-template-columns: 1fr; }
  .pub-row.rev .pub-txt { order: 0; }
  .pub-row.rev .pub-vis { order: 1; }
  .pub-txt { padding: 34px 28px; }
  .pub-vis { padding: 28px; }

  .who, .plans { grid-template-columns: 1fr; }
  .plan.hot { order: -1; }

  .app-side { display: none; }
}
@media (max-width: 640px) {
  body { font-size: 14.5px; }
  .wrap { padding: 0 18px; }
  .sec { padding: 62px 0; }
  /* 手机：第二行「就是一支创作团队」8 字，10.6vw 在 375 宽正好一行 */
  .hero { --hero-title: clamp(34px, 10.6vw, 48px); --hero-ghost: 1.15; --hero-ghost-cap: 8.5vw;   /* 10-19 底字换「AI For Global Expansion」23 字符，9vw 在 375 宽溢出 8px，收到 8.5 */ --hero-overlap: .2em; --hero-lift: 20px; --gap-tag: 24px; --gap-sub: 30px; --gap-btn: 36px; --hero-sub-fs: 16px; }
  .hero-tag { height: 30px; font-size: 11.5px; }
  .flow { grid-template-columns: 1fr; }
  .flow-step::after { display: none; }
  .accs { grid-template-columns: 1fr; }
  .dh, .asset-cols { grid-template-columns: 1fr; }
  .grid4 { grid-template-columns: repeat(3, 1fr); }
  .app-cards { grid-template-columns: repeat(2, 1fr); }
  .tabs-in { flex-wrap: wrap; justify-content: center; }
  .tab { padding: 0 16px; font-size: 14px; }
  .foot-top { grid-template-columns: 1fr 1fr; }
  .foot-col-wide { grid-column: 1 / -1; }   /* 场景与能力两列在手机上通栏 */
}

/* ===== 结尾 CTA：复刻 agent.kuaizi.cn 蓝色模块（10-11 实测）=====
   外：白底段；内 .band：1264×445、圆角 36、背景图 cover 居中、底色 rgb(75,127,228)、flex 纵向居中
   主标 41/500 行高 54 白；英文/副标 18/500 行高 25 字距 .9 白 75%、上距 14；按钮白胶囊 46 高、内距 0 8 0 26、字 13 黑、右侧 30 黑圆 + 箭头、上距 30 */
.cta-band { padding: 56px 0 72px; }   /* 白底段上下留白（原 104/120，用户 10-11 嫌高） */
.cta-band .wrap { max-width: 1312px; }   /* 1264 + 两侧 24 内距，与参考站 1440 下 88 边距同宽 */
.band {
  position: relative; min-height: 445px; border-radius: 36px; overflow: hidden;
  display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center;
  padding: 48px 24px;
  background: rgb(75, 127, 228) url(../images/cta-band.webp) center / cover no-repeat;
  color: #fff;
}
.band-h { font-size: 52px; font-weight: 600; line-height: 1.25; color: #fff; }   /* 10-11 用户：再大（参考站 41/500） */
.band-en, .band-sub { padding-top: 14px; font-size: 18px; font-weight: 500; line-height: 25px; letter-spacing: .9px; color: rgba(255, 255, 255, .75); }
.band-en { text-transform: uppercase; }
.band-btn {
  display: inline-flex; align-items: center; gap: 14px; margin-top: 30px;
  height: 46px; padding: 0 8px 0 26px; border-radius: 23px; background: #fff; color: #000;
  font-size: 13px; font-weight: 400; line-height: 18px; transition: transform .18s;
}
.band-btn:hover { transform: translateY(-1px); }
.band-btn i { width: 30px; height: 30px; border-radius: 50%; background: #000; color: #fff; display: flex; align-items: center; justify-content: center; }
.band-btn i svg { width: 11px; height: 11px; }
@media (max-width: 760px) {
  .cta-band { padding: 72px 0 80px; }
  .band { min-height: 360px; border-radius: 24px; padding: 40px 20px; }
  .band-h { font-size: 28px; line-height: 38px; }
  .band-en, .band-sub { font-size: 14px; line-height: 22px; }
}

/* ===== 登录弹窗（10-11）：左图右表单，表单照 pc /login 实测：卡 520 宽 / 内距 50 60 / 圆角 30；标题 30/600；副标 14 灰 #7A7E88；
   Google 钮 45 高描边 #DFE2E8 圆角 10 字 14/600；「或者」12 灰上下 22；tab 条灰底 #F5F6F7 内距 4 圆角 10，选中白底 14/600；输入框 50 高圆角 10；提交 50 高圆角 10 ===== */
.lm { position: fixed; inset: 0; z-index: 200; display: none; align-items: center; justify-content: center; padding: 16px; }
.lm.open { display: flex; }
.lm-mask { position: absolute; inset: 0; background: rgba(5, 8, 22, .6); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.lm-box {
  position: relative;
  width: min(960px, 100%); max-height: calc(100vh - 32px); overflow: auto;
  display: grid; grid-template-columns: 420px 1fr; background: #fff; border-radius: 30px; box-shadow: 0 30px 80px rgba(0, 0, 0, .35);
  animation: lmIn .28s cubic-bezier(.2,.7,.3,1);
}
@keyframes lmIn { from { opacity: 0; transform: translateY(14px) scale(.98); } to { opacity: 1; transform: none; } }
.lm-x { position: absolute; top: 16px; right: 16px; width: 36px; height: 36px; border-radius: 50%; color: #6B7280; display: flex; align-items: center; justify-content: center; z-index: 2; }
.lm-x:hover { background: #F1F2F5; color: #0A0A0A; }
.lm-x svg { width: 18px; height: 18px; }
.lm-pic {
  position: relative; overflow: hidden; min-height: 560px; padding: 40px 36px; display: flex; flex-direction: column; justify-content: space-between;
  color: #fff;
  background:
    radial-gradient(60% 50% at 20% 15%, rgba(61, 93, 255, .55) 0%, rgba(61, 93, 255, 0) 70%),
    radial-gradient(55% 45% at 85% 85%, rgba(217, 70, 239, .35) 0%, rgba(217, 70, 239, 0) 70%),
    linear-gradient(160deg, #0B1030 0%, #070A1E 60%, #050816 100%);
}
.lm-pic::before {   /* 细网格 */
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .35;
  background-image: linear-gradient(rgba(255, 255, 255, .06) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .06) 1px, transparent 1px);
  background-size: 36px 36px;
  -webkit-mask-image: radial-gradient(80% 80% at 50% 50%, #000 30%, transparent 100%); mask-image: radial-gradient(80% 80% at 50% 50%, #000 30%, transparent 100%);
}
.lm-pic::after {    /* 右上一枚品牌色光球 */
  content: ""; position: absolute; width: 260px; height: 260px; right: -90px; top: -70px; border-radius: 50%; pointer-events: none;
  background: radial-gradient(circle at 35% 35%, rgba(124, 92, 255, .9), rgba(61, 93, 255, .35) 55%, rgba(61, 93, 255, 0) 72%);
  filter: blur(2px);
}
.lm-pic .wordmark { position: relative; display: block; align-self: flex-start; height: 26px; width: auto; color: #fff; }
.lm-pic-txt { position: relative; }
.lm-pic-txt b { display: block; font-size: 26px; font-weight: 800; line-height: 1.3; letter-spacing: -.01em; }
.lm-pic-txt span { display: block; margin-top: 10px; font-size: 14px; line-height: 1.6; color: rgba(255, 255, 255, .72); }
.lm-pic-tags { position: relative; display: flex; flex-direction: column; align-items: flex-start; gap: 8px; margin-top: 22px; }   /* 10-12 用户定：五个卖点主标，一行一个 */
.lm-pic-tags i { font-style: normal; padding: 6px 12px; border-radius: 100px; font-size: 12px; color: rgba(255, 255, 255, .85); background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .14); }
.lm-form { padding: 50px 56px 40px; }
.lm-t { font-size: 30px; font-weight: 600; color: #0A0A0A; text-align: center; }
.lm-s { margin-top: 5px; font-size: 14px; color: #7A7E88; text-align: center; }
.lm-google { display: flex; align-items: center; justify-content: center; gap: 10px; width: 100%; height: 45px; margin-top: 28px; border: 1px solid #DFE2E8; border-radius: 10px; background: #fff; font-size: 14px; font-weight: 600; color: #0A0A0A; transition: background .18s; }
.lm-google:hover { background: #F7F8FA; }
.lm-google svg { width: 18px; height: 18px; }
.lm-or { display: flex; align-items: center; gap: 12px; margin: 22px 0; font-size: 12px; color: #B0B4C4; }
.lm-or::before, .lm-or::after { content: ""; flex: 1; height: 1px; background: #E6E8EE; }
.lm-tabs { display: flex; gap: 4px; padding: 4px; border-radius: 10px; background: #F5F6F7; margin-bottom: 16px; }
.lm-tabs button { flex: 1; padding: 8px 16px; border-radius: 7px; font-size: 14px; color: #7A7E88; transition: background .18s, color .18s; }
.lm-tabs button.on { background: #fff; color: #0A0A0A; font-weight: 600; box-shadow: 0 1px 2px rgba(0, 0, 0, .04); }
.lm-f { display: flex; flex-direction: column; gap: 12px; }
.lm-f[hidden] { display: none; }   /* hidden 属性会被上面的 display:flex 盖掉，显式关 */
.lm-in { position: relative; display: flex; align-items: center; height: 50px; border: 1px solid #DFE2E8; border-radius: 10px; background: #fff; padding: 0 14px; gap: 10px; transition: border-color .18s, box-shadow .18s; }
.lm-in:focus-within { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(61, 93, 255, .12); }
.lm-in > svg { width: 18px; height: 18px; color: #7A7E88; flex: 0 0 18px; }
.lm-in input { flex: 1; min-width: 0; height: 100%; border: 0; outline: 0; background: none; font-size: 16px; color: #0A0A0A; }   /* 10-12 用户定 16（原照 pc 的 14） */
.lm-in input::placeholder { color: #B0B4C4; }
.lm-send { flex: 0 0 auto; font-size: 13px; color: var(--brand); font-weight: 600; padding: 4px 0 4px 10px; border-left: 1px solid #E6E8EE; }
.lm-submit { height: 50px; margin-top: 4px; border-radius: 10px; background: var(--brand); color: #fff; font-size: 16px; font-weight: 600; transition: background .18s, color .18s; }
.lm-submit:disabled { background: #EEEFF3; color: #B0B4C4; cursor: default; }
.lm-links { display: flex; justify-content: space-between; margin-top: 18px; font-size: 14px; color: #7A7E88; }
.lm-links a { color: #7A7E88; }
.lm-links a:hover { color: var(--brand); }
.lm-terms { margin-top: 26px; font-size: 12px; color: #B0B4C4; text-align: center; }
.lm-terms a { color: #7A7E88; }
@media (max-width: 860px) {
  .lm-box { grid-template-columns: 1fr; width: min(520px, calc(100vw - 24px)); border-radius: 22px; }
  .lm-pic { display: none; }
  .lm-form { padding: 36px 24px 28px; }
}

/* ===== 使用场景页（10-12）：页头 + 三类人群各一段（复用 .cap 左文右图，左右交替）+ AI 手机段（即将上线）+ CTA ===== */
.scenes-top { padding-bottom: 0; }
.scenes-top .head { margin-bottom: 28px; }
.sc-jump { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; }
.sc-jump a { display: inline-flex; align-items: center; gap: 8px; padding: 9px 16px; border-radius: 100px; background: #F1F2F5; font-size: 14px; font-weight: 600; color: #404040; transition: background .18s, color .18s; }
.sc-jump a:hover { background: #0A0A0A; color: #fff; }
.soon { display: inline-flex; align-items: center; height: 20px; padding: 0 8px; border-radius: 100px; background: rgba(61, 93, 255, .1); color: var(--brand); font-size: 11px; font-weight: 600; font-style: normal; letter-spacing: .3px; white-space: nowrap; }
.sc-jump a:hover .soon { background: rgba(255, 255, 255, .18); color: #fff; }
.scenes-caps { padding-top: 72px; }
.scenes-caps .cap + .cap { margin-top: 120px; padding-top: 0; }
/* 四步流程：序号 | 标题 + 一句说明 | 功能名 */
.steps { list-style: none; margin: 26px 0 0; padding: 0; display: flex; flex-direction: column; }
.steps li { display: grid; grid-template-columns: 34px 1fr auto; column-gap: 14px; align-items: start; padding: 14px 0; border-top: 1px solid #EEF0F4; }
.steps li:first-child { border-top: 0; padding-top: 0; }
.step-no { font-family: "Geist Mono", "SF Mono", Menlo, Consolas, monospace; font-size: 12px; letter-spacing: 1px; color: var(--brand); line-height: 22px; }
.steps b { display: block; font-size: 15px; font-weight: 700; color: #0A0A0A; line-height: 22px; }
.steps div > span { display: block; margin-top: 3px; font-size: 13px; line-height: 1.6; color: #6B7280; }
.steps em { font-style: normal; font-size: 12px; color: #8A90A0; white-space: nowrap; padding: 3px 10px; border-radius: 100px; background: #F5F6F8; line-height: 16px; margin-top: 2px; }
/* 截图占位：浅灰底 + 一个带顶栏的窗口框 */
.shot-blank { padding: 28px; }
.shot-frame { position: relative; width: 100%; height: 100%; border-radius: 14px; background: #fff; border: 1px solid #E6E8EE; box-shadow: 0 12px 40px rgba(20, 22, 28, .08); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.shot-frame::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 34px; background: #F7F8FA; border-bottom: 1px solid #EEF0F4; }
.shot-frame::after { content: ""; position: absolute; left: 14px; top: 11px; width: 10px; height: 10px; border-radius: 50%; background: #E6E8EE; box-shadow: 16px 0 0 #E6E8EE, 32px 0 0 #E6E8EE; }
.shot-frame span { font-size: 13px; color: #B0B4C4; letter-spacing: .5px; }
@media (max-width: 960px) {
  .scenes-caps .cap + .cap { margin-top: 72px; }
  .steps li { grid-template-columns: 30px 1fr; }
  .steps em { grid-column: 2; justify-self: start; margin-top: 8px; }
}

/* ===== 使用场景页第二版（10-12）：按「一个人跑完整条线」四阶段，每段 卡在哪 / 怎么做 / 用到的功能 / 对应卖点 ===== */
.stage .cap-txt > div + div { margin-top: 18px; }
.stage-block, .stage-how, .stage-tools { font-size: 14px; line-height: 1.7; color: #404040; }
.stage-block b, .stage-how b, .stage-tools b { display: block; margin-bottom: 4px; font-size: 12px; font-weight: 600; letter-spacing: .5px; color: #8A90A0; }
.stage-block { padding: 14px 16px; border-radius: 12px; background: #F7F8FA; border: 1px solid #EEF0F4; }
.stage-how p { margin: 0; }
.stage-how p + p { margin-top: 8px; }
.stage-tools > div { display: flex; flex-wrap: wrap; gap: 8px; }
.fx-chip { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 100px; background: #F1F2F5; font-size: 13px; font-weight: 600; color: #0A0A0A; }
.stage-sell { display: inline-flex; align-items: center; margin-top: 18px; font-size: 12px; color: var(--brand); font-weight: 600; }
.stage-sell .dot-sep { margin: 0 8px; }
.cap-no .soon { margin-left: 8px; }

/* ===== 能力页第二版（10-12）：按模块，一个功能一张卡（做什么 / 输入→输出 / 差别） ===== */
.fx-sec { padding-top: 72px; }
.fx-mod + .fx-mod { margin-top: 112px; }
.fx-mod-h { max-width: 720px; margin-bottom: 36px; }
.fx-mod-h h3 { margin: 14px 0 12px; font-size: clamp(26px, 2.4vw, 34px); font-weight: 800; line-height: 1.2; color: #0A0A0A; letter-spacing: -.02em; }
.fx-mod-h p { font-size: 15px; line-height: 1.7; color: #404040; }
.fx-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.fx { display: flex; flex-direction: column; background: #fff; border: 1px solid #E6E8EE; border-radius: 20px; padding: 26px 24px 22px; }
.fx-ico { width: 44px; height: 44px; border-radius: 12px; background: rgba(61, 93, 255, .08); color: var(--brand); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.fx-ico svg { width: 22px; height: 22px; }
.fx h4 { display: flex; align-items: center; gap: 8px; font-size: 17px; font-weight: 700; color: #0A0A0A; }
.fx p { margin-top: 8px; font-size: 13px; line-height: 1.7; color: #404040; }
.fx-io { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; margin-top: 14px; padding: 10px 12px; border-radius: 10px; background: #F7F8FA; font-size: 12px; color: #0A0A0A; }
.fx-io span { color: #8A90A0; }
.fx-io i { width: 14px; height: 1px; background: #B0B4C4; margin: 0 2px; position: relative; }
.fx-io i::after { content: ""; position: absolute; right: -1px; top: -3px; width: 5px; height: 5px; border-top: 1px solid #B0B4C4; border-right: 1px solid #B0B4C4; transform: rotate(45deg); }
.fx-diff { margin-top: auto; padding-top: 14px; font-size: 12px; line-height: 1.6; color: var(--brand); }
.fx-diff::before { content: "差别"; display: inline-block; margin-right: 8px; padding: 1px 7px; border-radius: 100px; background: rgba(61, 93, 255, .1); font-weight: 600; font-size: 11px; }
.fx-two { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 22px; }
.fx-two > div { padding: 14px 16px; border-radius: 12px; background: #F7F8FA; border: 1px solid #EEF0F4; }
.fx-two b { display: block; font-size: 14px; font-weight: 700; color: #0A0A0A; margin-bottom: 4px; }
.fx-two span { font-size: 13px; line-height: 1.6; color: #404040; }
#tpl .tpl-row { grid-template-columns: repeat(3, 1fr); margin-top: 0; }
#tpl .tpl-row .tpl:nth-child(n+4) { display: none; }
@media (max-width: 960px) {
  .fx-grid { grid-template-columns: 1fr 1fr; }
  .fx-mod + .fx-mod { margin-top: 72px; }
}
@media (max-width: 640px) {
  .fx-grid { grid-template-columns: 1fr; }
  .fx-two { grid-template-columns: 1fr; }
  #tpl .tpl-row { grid-template-columns: repeat(2, 1fr); }
}

/* ===== 顶栏「场景与能力」下拉（10-12 第二版，照 pixpix 顶栏菜单实测复刻）：
   顶栏下方整幅一条深色玻璃带；内容 1118 宽居中、4 列网格（列 274、间距 8）；每项 274×56、内距 8、圆角 10，
   40 图标块（白 10%、圆角 8）+ 名 14/500 白；只要图标 + 名称（用户定）；AI 手机项图标块左上挂「即将上线」 ===== */
.mega { position: relative; }
.mega-btn { display: inline-flex; align-items: center; gap: 5px; height: 36px; padding: 0 14px; border-radius: 999px; font-size: 14px; font-weight: 500; line-height: 1; color: rgba(255, 255, 255, .7); transition: color .18s, background .18s; }
.mega-btn .chev { width: 14px; height: 14px; transition: transform .18s; }
.mega-btn:hover, .nav.mega-open .mega-btn { color: #fff; background: rgba(255, 255, 255, .08); }
.nav.mega-open .chev { transform: rotate(180deg); }
/* 10-12 第三版，照 pixpix 的做法：菜单本身不带底色，顶栏也不变色；靠一层盖住整页的「毛玻璃遮罩」（.mega-dim，JS 生成）把页面压暗压糊，
   菜单文字直接浮在上面 —— 顶栏和面板之间没有任何缝，内容也清楚 */
.mega-panel { display: none; padding: 16px 24px 28px; animation: fade .18s cubic-bezier(.2,.7,.3,1); }
.nav.mega-open .mega-panel { display: block; }
.nav.mega-open { background: transparent; -webkit-backdrop-filter: none; backdrop-filter: none; border-bottom-color: transparent; }
/* 10-12 用户：不要铺满整页 —— 遮罩只盖顶栏 + 面板那一条（高度由 JS 按顶栏实际高度设） */
.mega-dim { position: fixed; left: 0; right: 0; top: 0; height: 0; z-index: 99; background: rgba(5, 8, 22, .72); -webkit-backdrop-filter: blur(22px) saturate(120%); backdrop-filter: blur(22px) saturate(120%); opacity: 0; visibility: hidden; transition: opacity .22s, visibility .22s; }
.mega-dim.on { opacity: 1; visibility: visible; }
.mega-grid { max-width: 1118px; margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.mega-item { position: relative; display: flex; align-items: center; gap: 10px; height: 56px; padding: 8px 14px 8px 8px; border-radius: 999px; cursor: pointer; transition: background .15s; }   /* 10-12 用户：悬停底改圆角胶囊，和圆形图标统一 */
.mega-item:hover { background: rgba(255, 255, 255, .08); }
.mega-ico { position: relative; flex: 0 0 40px; width: 40px; height: 40px; border-radius: 50%; background: rgba(255, 255, 255, .1); color: #fff; display: flex; align-items: center; justify-content: center; }   /* 10-12 用户：图标底改圆形 */
.mega-ico svg { width: 16px; height: 16px; }   /* 10-12 用户：图标小一点 */
.mega-name { font-size: 14px; font-weight: 500; color: #fff; line-height: 20px; }
.mega-badge { position: absolute; left: -8px; top: -7px; padding: 2px 6px; border-radius: 6px; background: var(--brand); color: #fff; font-size: 10px; font-weight: 700; font-style: normal; line-height: 12px; letter-spacing: .3px; white-space: nowrap; box-shadow: 0 2px 6px rgba(0, 0, 0, .25); }
/* 手机端：场景与能力展开成一组 */
.mnav-group { border-bottom: 1px solid var(--line); }
.mnav-gh { border-bottom: 0 !important; }
.mnav-sub { display: flex; flex-wrap: wrap; gap: 8px; padding: 0 4px 14px; }
.mnav-sub span { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 100px; background: rgba(255, 255, 255, .08); font-size: 13px; color: var(--ink); }

/* ===== 功能页模板 .tp（10-12 照 pixpix /tools/seller-video-generator 实测，1440）：
   深底（主体 #0A0A0A、body #252525 → 我们统一 #0A0A0A）；容器 1200；
   首屏 48 上下、标题 40/700 白渐变、副 16 白 60%、白胶囊钮 44；视频卡 4 列 280×496 圆角 12、底部 128 渐变 + 标签 16/500 + 12/400 白 70%；
   要点段 80 上下、h2 32/600、2×2 卡（描边白 10%、圆角 20、内距 40 24、居中、图 64、h3 20/500、p 14 白 60%）；
   三步 96/80、3 列（图 382×286 + h3 20/500 + p 14）；相关工具 4 卡 282（底 #262626 描边 #404040 圆角 16 内距 8 8 16、图圆角 10、h3 18/500）；
   CTA 80 上下、h2 36/600、钮 270×48；FAQ 80 上下、800 宽、每条下边线白 10%、问题 16 内距 16 0 ===== */
.tp-body { background: #0A0A0A; }
.tp { position: relative; isolation: isolate; background: #0A0A0A; color: #fff; padding-top: var(--nav-h); }
.tp > section { position: relative; z-index: 1; }
/* 首屏彩色底：同 pixpix 的 3840/1720 比例贴顶，四团品牌色光 + 大模糊，底部渐隐进 #0A0A0A */
.tp-bg { position: absolute; left: 0; right: 0; top: 0; aspect-ratio: 3840 / 1720; z-index: 0; overflow: hidden; pointer-events: none; }
.tp-bg i {
  position: absolute; inset: -12%;
  background:
    radial-gradient(42% 70% at 18% 28%, rgba(61, 93, 255, .85) 0%, rgba(61, 93, 255, 0) 65%),
    radial-gradient(38% 60% at 62% 18%, rgba(124, 92, 255, .8) 0%, rgba(124, 92, 255, 0) 65%),
    radial-gradient(34% 55% at 88% 42%, rgba(217, 70, 239, .55) 0%, rgba(217, 70, 239, 0) 65%),
    radial-gradient(40% 60% at 40% 72%, rgba(61, 93, 255, .55) 0%, rgba(61, 93, 255, 0) 65%),
    #0A0A0A;
  filter: blur(48px) saturate(120%);
}
.tp-bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to bottom, rgba(10, 10, 10, 0) 45%, #0A0A0A 100%); }
.tp-wrap { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.tp-hero { padding: 96px 0 48px; }   /* 10-12 用户：标题往下移，别挤顶栏 */
.tp-head { display: flex; flex-direction: column; align-items: center; gap: 24px; text-align: center; margin-bottom: 40px; }
.tp-head h1 { font-size: 48px; font-weight: 700; line-height: 1.2; background: linear-gradient(90deg, rgba(255,255,255,.6), #fff 43%, rgba(255,255,255,.6) 88%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.tp-head p { max-width: 760px; font-size: 18px; line-height: 1.6; color: rgba(255, 255, 255, .6); }
.tp-btn { display: inline-flex; align-items: center; justify-content: center; height: 44px; padding: 0 24px; border-radius: 999px; background: #fff; color: #171717; font-size: 14px; font-weight: 500; transition: transform .18s, background .18s; }
.tp-btn:hover { background: #F1F2F5; transform: translateY(-1px); }
.tp-vgrid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.tp-vcard { position: relative; aspect-ratio: 280 / 496; border-radius: 12px; overflow: hidden; background: rgba(0, 0, 0, .3); }
.tp-vcard video { width: 100%; height: 100%; object-fit: cover; display: block; }
.tp-vlabel { position: absolute; left: 0; right: 0; bottom: 0; height: 128px; padding: 0 16px 16px; display: flex; flex-direction: column; justify-content: flex-end; gap: 4px; background: linear-gradient(to top, rgba(0,0,0,.9) 0, rgba(0,0,0,.55) 50%, rgba(0,0,0,0) 100%); }
.tp-vlabel p:first-child { font-size: 16px; font-weight: 500; color: #fff; }
.tp-vlabel p:last-child { font-size: 12px; color: rgba(255, 255, 255, .7); }
.tp-sec { padding: 80px 0; }
.tp-sechead { text-align: center; max-width: 760px; margin: 0 auto 40px; }
.tp-sechead h2 { font-size: 48px; font-weight: 700; line-height: 1.3; color: #fff; }
.tp-sechead h2 .dot-sep { width: 6px; height: 6px; margin: 0 14px; }   /* 48px 大标题里 3px 的点看不见，放大 */
.tp-sechead p { margin-top: 14px; font-size: 18px; line-height: 1.6; color: rgba(255, 255, 255, .6); }
.tp-feats { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.tp-feat { display: flex; flex-direction: column; align-items: center; gap: 24px; padding: 40px 24px; background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .1); border-radius: 20px; text-align: center; }   /* 10-12 用户：卡片要透明底 */
.tp-feat img { width: 64px; height: 64px; }
.tp-feat h3 { font-size: 20px; font-weight: 500; color: #fff; }
.tp-feat p { margin-top: 8px; font-size: 14px; line-height: 1.6; color: rgba(255, 255, 255, .6); }
.tp-steps-sec { padding-top: 96px; }
.tp-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.tp-step img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 12px; display: block; }
.tp-step h3 { margin-top: 24px; font-size: 20px; font-weight: 500; color: #fff; }
.tp-step p { margin-top: 8px; font-size: 14px; line-height: 1.6; color: rgba(255, 255, 255, .6); }
.tp-tools { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.tp-tool { display: block; padding: 8px 8px 16px; border-radius: 16px; background: #262626; border: 1px solid #404040; cursor: pointer; transition: border-color .18s, transform .18s; }
.tp-tool:hover { border-color: #666; transform: translateY(-2px); }
.tp-tool-img { aspect-ratio: 4 / 3; border-radius: 10px; overflow: hidden; }
.tp-tool-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.tp-tool h3 { margin: 12px 8px 0; font-size: 18px; font-weight: 500; color: #fff; }
.tp-cta { padding: 80px 0; text-align: center; }
.tp-cta h2 { font-size: 48px; font-weight: 700; line-height: 1.3; color: #fff; }
.tp-cta p { max-width: 640px; margin: 16px auto 0; font-size: 18px; line-height: 1.6; color: rgba(255, 255, 255, .6); }
.tp-cta .tp-btn { margin-top: 32px; height: 48px; padding: 0 32px; }
.tp-faqs { max-width: 800px; margin: 0 auto; }
.tp-faq { border-bottom: 1px solid rgba(255, 255, 255, .1); }
.tp-faq summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 16px 0; font-size: 16px; color: #fff; cursor: pointer; list-style: none; }
.tp-faq summary::-webkit-details-marker { display: none; }
.tp-faq summary svg { width: 16px; height: 16px; flex: 0 0 16px; color: rgba(255, 255, 255, .6); transition: transform .18s; }
.tp-faq[open] summary svg { transform: rotate(180deg); }
.tp-faq p { padding: 0 0 16px; font-size: 14px; line-height: 1.7; color: rgba(255, 255, 255, .6); }
@media (max-width: 1024px) {
  .tp-vgrid { grid-template-columns: repeat(2, 1fr); }
  .tp-steps, .tp-tools { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .tp-hero { padding: 32px 0; }
  .tp-head h1 { font-size: 32px; }
  .tp-head p, .tp-sechead p, .tp-cta p { font-size: 16px; }
  .tp-feats, .tp-steps, .tp-tools { grid-template-columns: 1fr; }
  .tp-sec { padding: 56px 0; }
  .tp-sechead h2 { font-size: 28px; }
  .tp-cta h2 { font-size: 28px; }
}
.tp-band { background: transparent; padding: 86px 0 72px; }   /* 10-12 用户定：上 86、下 72 */

/* ===== 功能页：AI 帮写 / 脚本裂变 / 三池参考图 三行（10-12 用户要补）：左文右图交替，右侧是 CSS 画的界面示意（不用截图） ===== */
.tp-how .tp-row { display: grid; grid-template-columns: 5fr 7fr; gap: 48px; align-items: center; padding: 64px 0; }   /* 10-12 用户：三行之间拉开（原 40） */
.tp-how .tp-row.rev .tp-row-txt { order: 2; }
.tp-tag { display: inline-flex; align-items: center; height: 24px; padding: 0 10px; border-radius: 100px; background: rgba(61, 93, 255, .18); color: #AEBBFF; font-size: 12px; font-weight: 600; letter-spacing: .3px; }
.tp-row-txt h3 { margin: 14px 0 10px; font-size: 28px; font-weight: 700; line-height: 1.25; color: #fff; }
.tp-row-txt p { font-size: 15px; line-height: 1.75; color: rgba(255, 255, 255, .62); }
.tp-mock { position: relative; border-radius: 20px; background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .1); padding: 28px; min-height: 300px; display: flex; flex-direction: column; justify-content: center; }
/* 帮写：一个提示词框，右上 AI 帮写钮，几行灰条 + 光标，底部 重新帮写 / 确认 */
.tp-mock-bar { display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: rgba(255, 255, 255, .6); }
.tp-mock-bar em { font-style: normal; padding: 5px 12px; border-radius: 100px; background: var(--brand); color: #fff; font-size: 12px; font-weight: 600; }
.tp-mock-lines { margin: 18px 0; padding: 18px; border-radius: 12px; background: rgba(0, 0, 0, .35); border: 1px solid rgba(255, 255, 255, .08); display: flex; flex-direction: column; gap: 12px; }
.tp-mock-lines i { display: block; height: 10px; border-radius: 5px; background: rgba(255, 255, 255, .22); }
.tp-mock-lines i.cur { width: 2px; height: 14px; border-radius: 1px; background: var(--brand); animation: tpBlink 1s steps(2) infinite; }
@keyframes tpBlink { to { opacity: 0; } }
.tp-mock-foot { display: flex; justify-content: flex-end; gap: 10px; }
.tp-mock-foot span { padding: 8px 16px; border-radius: 100px; font-size: 13px; color: rgba(255, 255, 255, .7); background: rgba(255, 255, 255, .08); }
.tp-mock-foot span.on { background: #fff; color: #0A0A0A; font-weight: 600; }
/* 裂变：左一张商品图 → 三条箭头 → 右三张脚本卡 */
.tp-mock-split { flex-direction: row; align-items: center; gap: 20px; }
.tp-mock-src { flex: 0 0 120px; text-align: center; }
.tp-mock-src img, .tp-mock-src svg { width: 120px; height: 160px; object-fit: cover; border-radius: 12px; display: block; border: 1px solid rgba(255, 255, 255, .1); }
.tp-mock-src span, .tp-pool span { display: block; margin-top: 8px; font-size: 12px; color: rgba(255, 255, 255, .6); }
.tp-mock-arrows { flex: 0 0 48px; display: flex; flex-direction: column; gap: 26px; }
.tp-mock-arrows i { position: relative; height: 1px; background: rgba(255, 255, 255, .3); }
.tp-mock-arrows i::after { content: ""; position: absolute; right: -1px; top: -4px; width: 7px; height: 7px; border-top: 1px solid rgba(255, 255, 255, .5); border-right: 1px solid rgba(255, 255, 255, .5); transform: rotate(45deg); }
.tp-mock-scripts { flex: 1; display: flex; flex-direction: column; gap: 10px; }
.tp-mock-scripts div { padding: 12px 14px; border-radius: 12px; background: rgba(0, 0, 0, .35); border: 1px solid rgba(255, 255, 255, .08); display: flex; align-items: center; justify-content: space-between; }
.tp-mock-scripts b { font-size: 14px; font-weight: 600; color: #fff; }
.tp-mock-scripts small { font-size: 12px; color: #AEBBFF; padding: 3px 8px; border-radius: 100px; background: rgba(61, 93, 255, .18); }
/* 三池：三张图并排 */
.tp-mock-pools { flex-direction: row; gap: 16px; justify-content: center; }
.tp-pool { flex: 1; text-align: center; }
.tp-pool svg, .tp-pool img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; border-radius: 12px; display: block; border: 1px solid rgba(255, 255, 255, .1); }
@media (max-width: 960px) {
  .tp-how .tp-row { grid-template-columns: 1fr; gap: 24px; padding: 32px 0; }
  .tp-how .tp-row.rev .tp-row-txt { order: 0; }
  .tp-row-txt h3 { font-size: 24px; }
  .tp-mock { padding: 20px; min-height: 0; }
  .tp-mock-split { flex-direction: column; }
  .tp-mock-arrows { flex-direction: row; width: 100%; justify-content: center; gap: 24px; }
  .tp-mock-arrows i { width: 1px; height: 24px; }
  .tp-mock-arrows i::after { right: -3px; top: auto; bottom: -1px; transform: rotate(135deg); }
}

/* ===== 功能页通用件（10-12，十页共用；尺寸延续带货视频页：48/18 标题、要点卡白 5% 底、三步图 4:3） ===== */
.tp-soon { display: inline-flex; align-items: center; vertical-align: middle; margin-left: 12px; padding: 4px 10px; border-radius: 100px; background: var(--brand); color: #fff; font-size: 13px; font-weight: 600; -webkit-text-fill-color: #fff; letter-spacing: .3px; }
/* 首屏「原 → 结果」对照 */
.tp-pair { display: grid; grid-template-columns: 280px 160px 280px; justify-content: center; align-items: center; gap: 24px; }
.tp-pair-card { position: relative; aspect-ratio: 280 / 496; border-radius: 12px; overflow: hidden; background: rgba(0, 0, 0, .3); }
.tp-pair-card.sq { aspect-ratio: 1 / 1; background: #fff; }
.tp-pair-card video, .tp-pair-card img { width: 100%; height: 100%; object-fit: cover; display: block; }
.tp-pair-card span { position: absolute; left: 12px; top: 12px; padding: 4px 10px; border-radius: 100px; background: rgba(0, 0, 0, .55); color: #fff; font-size: 12px; -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.tp-pair-arrow { display: flex; flex-direction: column; align-items: center; gap: 10px; color: rgba(255, 255, 255, .6); font-size: 13px; }
.tp-pair-arrow i { width: 100%; height: 1px; background: rgba(255, 255, 255, .25); position: relative; }
.tp-pair-arrow i::after { content: ""; position: absolute; right: 0; top: -4px; width: 8px; height: 8px; border-top: 1px solid rgba(255, 255, 255, .5); border-right: 1px solid rgba(255, 255, 255, .5); transform: rotate(45deg); }
.tp-pair-arrow b { font-weight: 500; color: #fff; }
.tp-pair-prod { width: 64px; height: 64px; border-radius: 12px; object-fit: cover; background: #fff; }
.tp-pair-img { grid-template-columns: 280px 140px 1fr; }
.tp-strip5, .tp-strip6 { display: grid; gap: 10px; }
.tp-strip5 { grid-template-columns: repeat(5, 1fr); }
.tp-strip6 { grid-template-columns: repeat(6, 1fr); }
.tp-strip5 img, .tp-strip6 img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; border-radius: 10px; display: block; background: #fff; }
/* 要点卡：带图版（上图下文，左对齐）与图标版 */
.tp-feats-img .tp-feat { align-items: stretch; text-align: left; padding: 0 0 24px; gap: 18px; overflow: hidden; }
.tp-feats-img .tp-feat img { width: 100%; aspect-ratio: 500 / 338; object-fit: cover; height: auto; }
.tp-feats-img .tp-feat > div { padding: 0 24px; }
.tp-feat-ico { align-items: flex-start; text-align: left; gap: 18px; }
.tp-feat-i { width: 48px; height: 48px; border-radius: 12px; background: rgba(61, 93, 255, .18); color: #AEBBFF; display: flex; align-items: center; justify-content: center; }
.tp-feat-i svg { width: 22px; height: 22px; }
/* 三行里的截图 */
.tp-shot { border-radius: 20px; overflow: hidden; background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .1); }
.tp-shot img { width: 100%; aspect-ratio: 500 / 375; object-fit: cover; display: block; }
/* 三步：没有图的步骤放一个图标块 */
.tp-step-ph { aspect-ratio: 4 / 3; border-radius: 12px; background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .1); display: flex; align-items: center; justify-content: center; color: #AEBBFF; }
.tp-step-ph svg { width: 40px; height: 40px; }
/* 图片生成首屏：方卡网格 */
.tp-vcard.sq { aspect-ratio: 1 / 1; }
.tp-vcard.sq img { width: 100%; height: 100%; object-fit: cover; display: block; }
.tp-igrid .tp-vlabel { height: 90px; }
/* 反推：三张产出卡 */
.tp-outs { display: flex; flex-direction: column; gap: 12px; }
.tp-out { padding: 14px 16px; border-radius: 12px; background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .1); }
.tp-out b { display: block; font-size: 14px; font-weight: 600; color: #fff; margin-bottom: 10px; }
.tp-out i { display: block; height: 8px; border-radius: 4px; background: rgba(255, 255, 255, .18); margin-top: 8px; }
.tp-pair:has(.tp-outs) { grid-template-columns: 280px 140px 360px; }
/* 趋势：筛选条 + 卡网格 */
.tp-trend { border-radius: 20px; background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .1); padding: 20px; }
.tp-trend-bar { display: flex; align-items: center; gap: 8px; margin-bottom: 16px; }
.tp-trend-bar span { padding: 7px 14px; border-radius: 100px; background: rgba(255, 255, 255, .08); font-size: 13px; color: #fff; }
.tp-trend-bar em { margin-left: auto; font-style: normal; font-size: 12px; color: rgba(255, 255, 255, .55); }
.tp-trend-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.tp-trend-card { border-radius: 12px; overflow: hidden; background: rgba(0, 0, 0, .35); }
.tp-trend-card img { width: 100%; aspect-ratio: 9 / 16; object-fit: cover; display: block; }
.tp-trend-meta { display: flex; flex-direction: column; gap: 6px; padding: 10px 12px; }
.tp-trend-meta b { font-size: 11px; font-weight: 400; color: rgba(255, 255, 255, .55); display: flex; justify-content: space-between; }
.tp-trend-meta b::after { content: "—"; color: rgba(255, 255, 255, .35); }
/* 运营 Agent：对话示意 */
.tp-chat { max-width: 760px; margin: 0 auto; border-radius: 20px; background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .1); padding: 20px; display: flex; flex-direction: column; gap: 14px; }
.tp-chat-tabs { display: flex; gap: 6px; align-self: center; padding: 4px; border-radius: 100px; background: rgba(0, 0, 0, .35); }
.tp-chat-tabs span, .tp-chat-tabs em { padding: 7px 14px; border-radius: 100px; font-size: 13px; color: rgba(255, 255, 255, .6); font-style: normal; }
.tp-chat-tabs em.on { background: var(--brand); color: #fff; }
.tp-chat-msg { max-width: 78%; padding: 12px 16px; border-radius: 14px; font-size: 14px; line-height: 1.6; }
.tp-chat-msg.me { align-self: flex-end; background: var(--brand); color: #fff; }
.tp-chat-msg.ai { align-self: flex-start; background: rgba(0, 0, 0, .35); border: 1px solid rgba(255, 255, 255, .08); width: 78%; }
.tp-chat-msg.ai b { display: block; color: #fff; margin-bottom: 10px; }
.tp-chat-msg.ai i { display: block; height: 8px; border-radius: 4px; background: rgba(255, 255, 255, .18); margin-top: 8px; }
.tp-chat-acts { display: flex; gap: 8px; margin-top: 14px; }
.tp-chat-acts span { padding: 6px 12px; border-radius: 100px; background: rgba(255, 255, 255, .1); font-size: 12px; color: #fff; }
.tp-chat-input { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 16px; border-radius: 14px; background: rgba(0, 0, 0, .35); border: 1px solid rgba(255, 255, 255, .1); font-size: 13px; color: rgba(255, 255, 255, .45); }
.tp-chat-input em { font-style: normal; padding: 6px 14px; border-radius: 100px; background: var(--brand); color: #fff; font-size: 12px; }
/* AI 模版：分类 tab + 视频卡 */
.tp-tpls { display: flex; flex-direction: column; gap: 16px; }
.tp-tpl-tabs { display: flex; gap: 8px; justify-content: center; }
.tp-tpl-tabs span, .tp-tpl-tabs em { padding: 8px 15px; border-radius: 100px; background: rgba(255, 255, 255, .08); font-size: 13px; color: #fff; font-style: normal; }
.tp-tpl-tabs em.on { background: #fff; color: #0A0A0A; font-weight: 600; }
/* AI 手机：六台设备 */
.tp-phones { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; max-width: 1000px; margin: 0 auto; }
.tp-phone { border-radius: 20px; background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .1); padding: 12px; }
.tp-phone-scr { aspect-ratio: 9 / 18; border-radius: 14px; background: linear-gradient(160deg, #1b2250, #0b0f24); border: 3px solid #2a2f45; position: relative; }
.tp-phone-scr::before { content: ""; position: absolute; left: 50%; top: 8px; width: 34%; height: 8px; border-radius: 4px; background: #11152b; transform: translateX(-50%); }
.tp-phone-meta { padding: 10px 2px 2px; display: flex; flex-direction: column; gap: 3px; }
.tp-phone-meta b { font-size: 13px; color: #fff; font-weight: 600; }
.tp-phone-meta span { font-size: 11px; color: rgba(255, 255, 255, .55); }
.tp-phone-meta span:last-child { color: #4CC38A; }
/* 账号管理：表格示意 */
.tp-table { max-width: 900px; margin: 0 auto; border-radius: 20px; background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .1); overflow: hidden; }
.tp-tr { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr; align-items: center; padding: 14px 20px; border-top: 1px solid rgba(255, 255, 255, .06); font-size: 14px; color: #fff; }
.tp-tr.th { border-top: 0; background: rgba(255, 255, 255, .04); font-size: 12px; color: rgba(255, 255, 255, .55); }
.tp-tr span { display: flex; align-items: center; gap: 10px; }
.tp-tr em { font-style: normal; padding: 3px 10px; border-radius: 100px; background: rgba(61, 93, 255, .18); color: #AEBBFF; font-size: 12px; }
.tp-av { width: 28px; height: 28px; border-radius: 50%; background: linear-gradient(135deg, #3D5DFF, #D946EF); }
/* 手机端汉堡里的功能项链接与 span 同款 */
.mnav-sub a { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 100px; background: rgba(255, 255, 255, .08); font-size: 13px; color: var(--ink); }
@media (max-width: 1024px) {
  .tp-pair, .tp-pair-img, .tp-pair:has(.tp-outs) { grid-template-columns: 1fr; justify-items: center; }
  .tp-pair-card { width: min(100%, 320px); }
  .tp-pair-arrow { flex-direction: row; width: min(100%, 320px); }
  .tp-pair-arrow i { flex: 1; }
  .tp-strip5, .tp-strip6, .tp-outs { width: 100%; }
  .tp-strip6 { grid-template-columns: repeat(3, 1fr); }
  .tp-trend-grid { grid-template-columns: repeat(3, 1fr); }
  .tp-phones { grid-template-columns: repeat(3, 1fr); }
  .tp-igrid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .tp-strip5 { grid-template-columns: repeat(3, 1fr); }
  .tp-trend-grid { grid-template-columns: repeat(2, 1fr); }
  .tp-trend-bar em { display: none; }
  .tp-phones { grid-template-columns: repeat(2, 1fr); }
  .tp-tr { grid-template-columns: 1.4fr 1fr 1fr; }
  .tp-tr span:nth-child(3), .tp-tr span:nth-child(4) { display: none; }
  .tp-chat-msg { max-width: 100%; }
}

/* 功能页：整幅示意图首屏（趋势 / AI 手机用竞品插画） */
.tp-hero-img img { width: 100%; max-width: 1100px; margin: 0 auto; display: block; border-radius: 20px; border: 1px solid rgba(255, 255, 255, .1); }

/* ===== 案例页（10-12 第二版）：复刻 pixpix inspiration —— 白底、左标题 + 胶囊 tab、JS 瀑布流（卡片绝对定位，布局在 site.js）、
   视频悬停才播放、不点击放大不跳转；五行高度处截断 + 白色渐变 +「我也要创作」（渐变/按钮尺寸参考 ihuiwa 底部：高 136 内 40 边距 + 360×56 圆角 30） ===== */
.cs-body { }   /* body 保持全站深底，白底只给 main.cs；之前把 body 刷白，页脚跟着变白（用户 10-12 指出） */
.cs { background: #fff; padding-top: calc(var(--nav-h) + 24px); padding-bottom: 72px; color: #0A0A0A; }
.cs-wrap { width: 100%; max-width: 1440px; margin: 0 auto; padding: 0 24px; }
.cs-head { display: flex; flex-direction: column; align-items: flex-start; gap: 20px; }
.cs-head h1 { font-size: 48px; line-height: 60px; font-weight: 600; letter-spacing: 0; color: #0A0A0A; }
.cs-tabs { display: flex; flex-wrap: wrap; gap: 4px; }
.cs-tabs button { display: inline-flex; align-items: center; justify-content: center; height: 36px; padding: 0 16px; border-radius: 999px; font-size: 14px; line-height: 20px; font-weight: 500; color: #525252; background: transparent; transition: background .18s, color .18s; }
.cs-tabs button:hover { background: #F5F5F5; color: #0A0A0A; }
.cs-tabs button.on { background: #171717; color: #fff; }
.cs-clip { position: relative; overflow: hidden; margin-top: 20px; }
.cs-grid { position: relative; }
.cs-card { position: absolute; top: 0; left: 0; overflow: hidden; border-radius: 16px; border: 1px solid #F5F5F5; background: #FAFAFA; isolation: isolate; }
.cs-card[hidden] { display: none; }
.cs-card video, .cs-card > img { width: 100%; height: 100%; object-fit: cover; display: block; }
.cs-img > img { transition: transform .3s ease-out; }
.cs-img:hover > img { transform: scale(1.05); }
.cs-play { position: absolute; top: 12px; right: 12px; z-index: 2; width: 28px; height: 28px; border-radius: 50%; background: rgba(0, 0, 0, .24); color: #fff; display: flex; align-items: center; justify-content: center; }
.cs-play svg { width: 14px; height: 14px; }
.cs-ov { position: absolute; left: 0; right: 0; bottom: 0; z-index: 2; padding: 96px 16px 16px; background: linear-gradient(to bottom, rgba(0, 0, 0, 0), rgba(0, 0, 0, .6)); pointer-events: none; }
.cs-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; margin: 0; padding: 12px 8px; border-radius: 10px; background: rgba(0, 0, 0, .05); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); text-align: center; white-space: nowrap; }
.cs-metrics > div { display: flex; flex-direction: column; align-items: center; min-width: 0; }
.cs-metrics dd { order: 1; margin: 0; width: 100%; font-family: "Bebas Neue", Impact, "Arial Narrow", sans-serif; font-size: 24px; line-height: 32px; font-weight: 400; color: #fff; }
.cs-metrics dt { order: 2; width: 100%; overflow: hidden; text-overflow: ellipsis; font-size: 14px; line-height: 20px; font-weight: 400; color: rgba(255, 255, 255, .7); }
.cs-ref { position: absolute; left: 12px; bottom: 12px; z-index: 2; width: 56px; height: 56px; overflow: hidden; border-radius: 8px; border: 1px solid #E5E5E5; background: #fff; box-shadow: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 8px 10px -6px rgba(0, 0, 0, .1); }
.cs-ref img { width: 100%; height: 100%; object-fit: cover; display: block; }
.cs-fade { position: absolute; left: 0; right: 0; bottom: 0; z-index: 5; height: 176px; display: flex; align-items: flex-end; justify-content: center; padding-bottom: 40px; background: linear-gradient(to bottom, rgba(255, 255, 255, 0) 0%, #fff 50%); }
.cs-clip.cs-nofade .cs-fade { position: static; height: auto; padding-top: 40px; background: none; }
.cs-cta { width: 360px; max-width: 100%; height: 56px; border-radius: 30px; background: var(--brand); color: #fff; font-size: 20px; font-weight: 600; box-shadow: 0 2px 12px rgba(61, 93, 255, .3); transition: background .18s, transform .18s; }
.cs-cta:hover { background: var(--brand-hover); }
.cs-cta:active { transform: translateY(1px); }
@media (max-width: 700px) {
  .cs { padding-top: calc(var(--nav-h) + 12px); padding-bottom: 48px; }
  .cs-wrap { padding: 0 12px; }
  .cs-head { gap: 14px; }
  .cs-head h1 { font-size: 32px; line-height: 40px; }
  .cs-tabs button { height: 32px; padding: 0 12px; font-size: 13px; }
  .cs-clip { margin-top: 14px; }
  .cs-card { border-radius: 10px; }
  .cs-play { width: 24px; height: 24px; top: 8px; right: 8px; }
  .cs-play svg { width: 12px; height: 12px; }
  .cs-ov { padding: 40px 8px 8px; }
  .cs-metrics { gap: 2px; padding: 8px 4px; }
  .cs-metrics dd { font-size: 18px; line-height: 24px; }
  .cs-metrics dt { font-size: 11px; line-height: 14px; }
  .cs-ref { width: 40px; height: 40px; left: 8px; bottom: 8px; }
  .cs-fade { height: 140px; padding-bottom: 28px; }
  .cs-cta { height: 48px; font-size: 16px; }
}

/* ===== 定价页（10-12 第三版）：设计抄 pixpix 站内定价弹窗、内容按 pc 套餐页 —— #fafafa 底 + 顶部彩色径向光、60/500 标题、灰底切换器、
   卡 = 有色外框（pro 蓝 / max 橙，4px，顶上 36 高一条标签）+ 圆角 24 卡体（名 32/900 + 副 14 同 pc 比例、Bebas 48 价、4px 实体底影按钮、
   积分面板 40 根小柱 + 带图标两行、勾在前的权益行，不支持置灰）；数据是 pc 演示值 ===== */
.pr { position: relative; isolation: isolate; overflow: hidden; background: #FAFAFA; padding: calc(var(--nav-h) + 64px) 0 96px; color: #0A0A0A; }
.pr-glow { position: absolute; left: 0; right: 0; top: 0; height: 1080px; z-index: -1; pointer-events: none;
  background: radial-gradient(103% 26% at 72% 0, rgba(61, 93, 255, .2) 0, rgba(120, 145, 255, .1) 50%, rgba(200, 212, 255, 0) 100%), radial-gradient(20% 64% at 100% 0, rgba(253, 80, 0, .1) 0, rgba(253, 80, 0, 0) 100%); }
.pr-wrap { width: 100%; max-width: 1400px;   /* 10-12 用户：四张月付卡太挤，容器放宽到 1400（卡约 325） */ margin: 0 auto; padding: 0 20px; display: flex; flex-direction: column; align-items: center; }
.pr-head { text-align: center; }
.pr-head h1 { font-size: 60px; line-height: 72px; font-weight: 500; letter-spacing: 0; }
.pr-head p { margin-top: 12px; font-size: 16px; line-height: 24px; color: #737373; }
.pr-tabs { display: inline-flex; align-items: center; gap: 2px; margin: 48px 0 32px; padding: 4px; border-radius: 12px; background: rgba(0, 0, 0, .05); }
.pr-tabs button { display: inline-flex; align-items: center; gap: 4px; height: 32px; padding: 0 10px; border-radius: 10px; font-size: 14px; line-height: 20px; font-weight: 500; color: #0A0A0A; transition: background .18s, box-shadow .18s; }
.pr-tabs button.on { background: #fff; box-shadow: 0 1px 2px rgba(0, 0, 0, .08), 0 2px 6px rgba(0, 0, 0, .06); }
/* 斜切角标（pixpix：外层 skewX(-12deg)，内层反向扶正文字） */
.pr-skew { display: inline-flex; height: 20px; align-items: center; justify-content: center; padding: 0 7px; border-radius: 4px; transform: skewX(-12deg) scaleY(.98); font-family: "Bebas Neue", Impact, "Arial Narrow", sans-serif; font-size: 12px; line-height: 16px; letter-spacing: .5px; white-space: nowrap; background: #0A0A0A; color: #FAFAFA; }
.pr-skew > span { display: inline-flex; align-items: center; transform: skewX(12deg) scaleY(1.02); }
.pr-skew[hidden], .pr-price s[hidden] { display: none; }   /* 无折时加量包的角标 / 划线价要真藏起来（display 写死会压过 hidden 属性） */
.pr-skew.hot { background: linear-gradient(212.63deg, #FF4245 0.22%, #F5087A 95.48%); color: #fff; }   /* 10-12 用户：照 pixpix 的红粉渐变 + 火苗（images/flame.svg 是它家的图，上线前换） */
.pr-skew.hot > span { gap: 2px; }
.pr-skew.hot img { width: 9px; height: 12px; flex-shrink: 0; display: block; }
.pr-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; width: 100%; align-items: stretch; }
.pr-grid-3 { grid-template-columns: repeat(3, 1fr); max-width: 1200px; }
.pr-grid-1 { grid-template-columns: 1fr; }
.pr-grid[hidden], .pr-foot[hidden] { display: none; }
/* 卡外壳：neutral 透明、顶上留 36；pro / max 有色框（4px）+ 顶上 36 高标签条，悬停上浮 */
.pr-card { position: relative; display: flex; flex-direction: column; padding: 36px 4px 4px; min-width: 0; border-radius: 24px; transition: transform .3s ease-out; }
.pr-card:hover { transform: translateY(-8px); }
.pr-pro, .pr-max { padding-top: 0; }
.pr-pro { background: var(--brand); }
.pr-max { background: #FD5000; }
.pr-label { display: flex; align-items: center; justify-content: center; height: 36px; font-size: 14px; line-height: 20px; font-weight: 700; color: #fff; }
.pr-body { flex: 1; display: flex; flex-direction: column; gap: 28px; padding: 20px 20px 32px; border-radius: 24px; border: 1px solid #E5E5E5; background: #fff; }
.pr-pro .pr-body, .pr-max .pr-body { border-color: transparent; }
.pr-neutral .pr-body { background: linear-gradient(rgba(255, 255, 255, .075), rgba(255, 255, 255, 0) 72%), #fff; }
.pr-pro .pr-body { background: linear-gradient(210deg, rgba(61, 93, 255, .1), rgba(61, 93, 255, .04) 28%, rgba(61, 93, 255, 0) 62%), #fff; }
.pr-max .pr-body { background: linear-gradient(210deg, rgba(253, 80, 0, .1), rgba(253, 80, 0, .04) 28%, rgba(253, 80, 0, 0) 62%), #fff; }
/* 卡头：名 32/900 + 副 14（比例同 pc）+ 价 */
.pr-ch { display: flex; flex-direction: column; }
.pr-ch h3, .pr-pack h3 { font-size: 32px; line-height: 40px; font-weight: 900; letter-spacing: -.3px; }
.pr-desc { margin-top: 4px; font-size: 14px; line-height: 20px; color: #737373; }
.pr-price { display: flex; align-items: baseline; gap: 4px; margin-top: 16px; height: 64px; white-space: nowrap; }
.pr-cur, .pr-num { font-family: "Bebas Neue", Impact, "Arial Narrow", sans-serif; font-size: 48px; line-height: 64px; font-weight: 400; font-variant-numeric: tabular-nums; }
.pr-price s { font-family: "Bebas Neue", Impact, "Arial Narrow", sans-serif; font-size: 24px; line-height: 32px; color: #737373; }   /* 年付划线原价（照 pixpix：主题色） */
.pr-pro .pr-price s { color: var(--brand); }
.pr-max .pr-price s { color: #FD5000; }
.pr-unit { font-size: 14px; line-height: 20px; letter-spacing: 1.6px; color: #737373; }
/* 按钮：48 高、圆角 12、4px 实体底影，按下沉 4 */
.pr-btn { width: 100%; height: 48px; border-radius: 12px; font-size: 16px; line-height: 24px; font-weight: 700; color: #fff; background: #0A0A0A; box-shadow: 0 4px 0 rgba(0, 0, 0, .6); transition: transform .12s, background .18s, box-shadow .12s; }
.pr-btn:active { transform: translateY(4px); box-shadow: none; }
.pr-pro .pr-btn { background: var(--brand); box-shadow: 0 4px 0 #2A44C7; }
.pr-pro .pr-btn:hover { background: var(--brand-hover); }
.pr-max .pr-btn { background: #FD5000; box-shadow: 0 4px 0 #D73215; }
.pr-max .pr-btn:hover { background: #F04700; }
/* 积分面板：高度随内容（pixpix 是固定 160，内容一样多，算下来也是这个高） */
.pr-panel { display: flex; flex-direction: column; gap: 12px; padding: 13px; border-radius: 12px; border: 1px solid rgba(255, 255, 255, .05); background: radial-gradient(80% 100% at 50% 100%, rgba(255, 255, 255, .08), rgba(255, 255, 255, 0)), #F5F5F5; }
.pr-pro .pr-panel { background: radial-gradient(211% 211% at 50% 100%, rgba(61, 93, 255, .15), rgba(61, 93, 255, 0)), #F7F8FD; }
.pr-max .pr-panel { background: radial-gradient(211% 211% at 50% 100%, rgba(253, 80, 0, .12), rgba(253, 80, 0, 0)), #FDF8F5; }
.pr-panel-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; height: 22px; font-size: 14px; line-height: 22px; font-weight: 700; }
.pr-skew.gift { height: 18px; font-size: 11px; padding: 0 6px; background: #0A0A0A; color: #fff; }
.pr-pro .pr-skew.gift { background: var(--brand); }
.pr-max .pr-skew.gift { background: #FD5000; }
.pr-panel-top > span { display: inline-flex; align-items: baseline; gap: 6px; }
.pr-panel-top > span svg { align-self: center; }
.pr-panel-top svg, .pr-panel-line svg { width: 16px; height: 16px; flex-shrink: 0; color: #0A0A0A; }
.pr-panel-top b { font-family: "Bebas Neue", Impact, "Arial Narrow", sans-serif; font-size: 22px; line-height: 1; font-weight: 400; color: #0A0A0A; }   /* 与中文按基线对齐（Bebas 大写坐在基线上，和汉字底边齐） */
.pr-pro .pr-panel-top b, .pr-pro .pr-panel-top svg { color: var(--brand); }
.pr-max .pr-panel-top b, .pr-max .pr-panel-top svg { color: #FD5000; }
.pr-bars { display: flex; align-items: center; gap: 4px; height: 12px; overflow: hidden; }   /* 10-12 用户：小柱要平均 —— site.js 按宽度铺整数根 4px 柱 + 4px 缝（space-between 的余数会落成 2/3px 交替，看着不匀） */
.pr-bars i { flex: 0 0 4px; height: 12px; border-radius: 999px; background: rgba(10, 10, 10, .12); }
.pr-bars i.on { background: #0A0A0A; }
.pr-pro .pr-bars i.on { background: var(--brand); }
.pr-max .pr-bars i.on { background: #FD5000; }
.pr-sep { height: 1px; width: 100%; background: rgba(0, 0, 0, .1); }
.pr-panel-line { display: flex; align-items: center; gap: 8px; height: 20px; font-size: 14px; line-height: 20px; font-weight: 500; }
.pr-panel-line svg { color: #737373; }
/* 权益：基础权益 / 独家能力 两组，勾在前，不支持置灰 */
.pr-feats { display: flex; flex-direction: column; gap: 10px; }
.pr-ft { font-size: 14px; line-height: 20px; font-weight: 700; }
.pr-ft-pro { margin-top: 10px; color: var(--brand); }
.pr-max .pr-ft-pro { color: #FD5000; }
.pr-feats ul { display: flex; flex-direction: column; gap: 12px; list-style: none; margin: 0; padding: 0; }
.pr-feats li { display: flex; align-items: center; gap: 8px; height: 20px; font-size: 14px; line-height: 20px; font-weight: 500; }
.pr-feats li svg { width: 16px; height: 16px; flex-shrink: 0; color: #0A0A0A; }
.pr-pro .pr-feats li svg { color: var(--brand); }
.pr-max .pr-feats li svg { color: #FD5000; }
.pr-feats li b { font-weight: 500; color: #737373; }
.pr-feats li.off { color: #B5B5B5; }
.pr-feats li.off svg, .pr-pro .pr-feats li.off svg, .pr-max .pr-feats li.off svg { color: #D4D4D4; }
.pr-feats li.off b { color: #C4C4C4; }
/* 加量包：抄 creatok 的半圆表盘拖动（颜色换品牌蓝）—— 左表盘右价格，一张卡 920 宽 */
.pr-grid-pack { grid-template-columns: 1fr; max-width: 920px; }
.pr-pack { padding-top: 4px; }
.pr-pack:hover { transform: none; }
.pr-pack .pr-body { display: grid; grid-template-columns: 6fr 4fr; gap: 32px; padding: 28px 32px 32px; }
.pr-pack-l { display: flex; flex-direction: column; align-items: center; }
.pr-gauge { position: relative; width: 100%; height: 240px; cursor: pointer; user-select: none; -webkit-user-select: none; touch-action: none; outline: none; border-radius: 16px; }
.pr-gauge:focus-visible { box-shadow: 0 0 0 3px rgba(61, 93, 255, .25); }
.pr-gauge svg { width: 100%; height: 100%; display: block; }
/* 环形竖条：月付卡积分面板那种小柱沿半圆排开（41 根，4×18），点亮的蓝、当前这根黑、未点亮灰 */
.pr-g-bars rect { fill: rgba(10, 10, 10, .12); transition: fill .12s; }
.pr-g-bars rect.on { fill: var(--brand); }
.pr-g-bars rect.on.edge { fill: #0A0A0A; }
.pr-gauge text { fill: #737373; font-family: "Bebas Neue", Impact, "Arial Narrow", sans-serif; letter-spacing: .3px; }
.pr-g-off[hidden] { display: none; }
.pr-g-val { position: absolute; left: 0; right: 0; top: 104px; display: flex; flex-direction: column; align-items: center; pointer-events: none; }
.pr-g-val b { font-family: "Bebas Neue", Impact, "Arial Narrow", sans-serif; font-size: 48px; line-height: 1; font-weight: 400; color: var(--brand); font-variant-numeric: tabular-nums; }
.pr-g-val span { margin-top: 4px; font-size: 14px; color: #737373; }
.pr-g-hint { margin-top: 8px; font-size: 14px; color: #737373; }
.pr-g-off { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 14px; margin-top: 14px; font-size: 12px; color: #737373; }   /* 量折说明：买得多折扣多 */
.pr-g-off b { font-family: "Bebas Neue", Impact, "Arial Narrow", sans-serif; font-size: 13px; font-weight: 400; color: #0A0A0A; letter-spacing: .3px; }
.pr-pack-r .pr-price { gap: 8px; }
.pr-pack-r .pr-price s { font-size: 20px; line-height: 28px; }
.pr-pack-r .pr-price .pr-skew { margin-left: 2px; }
.pr-pack-r { display: flex; flex-direction: column; }
.pr-pack-r .pr-price { height: auto; margin-top: 0; padding-bottom: 20px; margin-bottom: 20px; border-bottom: 1px solid #E5E5E5; }
.pr-pack-est { flex: 1; display: flex; flex-direction: column; gap: 12px; }
.pr-pack-est b { font-size: 14px; font-weight: 600; }
.pr-pack-est > div { display: flex; align-items: center; gap: 8px; font-size: 14px; color: #525252; }
.pr-pack-est svg { width: 16px; height: 16px; color: #737373; }
.pr-pack-est em { font-style: normal; font-weight: 700; color: #0A0A0A; font-variant-numeric: tabular-nums; }
.pr-pack-est p { font-size: 13px; color: #A3A3A3; }
.pr-pack-r .pr-btn { margin-top: 24px; }
.pr-foot { margin-top: 28px; text-align: center; font-size: 13px; color: #737373; }
.pr-foot .dot-sep { margin: 0 8px; }
/* 四张规则卡（10-12 用户：补回来） */
.pr-rules { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; width: 100%; margin-top: 64px; }
.pr-rule { padding: 20px 22px 22px; border-radius: 16px; border: 1px solid #E5E5E5; background: #fff; }
.pr-rule b { display: block; font-size: 15px; font-weight: 700; margin-bottom: 6px; }
.pr-rule p { font-size: 13px; line-height: 1.7; color: #737373; }
/* 常见问题（问法参考 creatok 定价页；答案出自积分与套餐规则） */
.pr-faq { width: 100%; max-width: 820px; margin-top: 72px; }
.pr-faq h2 { text-align: center; font-size: 36px; line-height: 44px; font-weight: 600; margin-bottom: 28px; }
.pr-q { border-top: 1px solid #E5E5E5; }
.pr-q:last-child { border-bottom: 1px solid #E5E5E5; }
.pr-q summary { display: flex; align-items: center; gap: 14px; padding: 20px 4px; font-size: 16px; line-height: 24px; font-weight: 600; cursor: pointer; list-style: none; }
.pr-q summary::-webkit-details-marker { display: none; }
.pr-q-no { flex-shrink: 0; font-family: "Bebas Neue", Impact, "Arial Narrow", sans-serif; font-size: 18px; font-weight: 400; letter-spacing: .5px; color: var(--brand); }
.pr-q summary > span:nth-child(2) { flex: 1; }
.pr-q summary i { position: relative; flex-shrink: 0; width: 20px; height: 20px; }
.pr-q summary i::before, .pr-q summary i::after { content: ""; position: absolute; left: 50%; top: 50%; width: 12px; height: 2px; margin: -1px 0 0 -6px; border-radius: 1px; background: #0A0A0A; transition: transform .2s; }
.pr-q summary i::after { transform: rotate(90deg); }
.pr-q[open] summary i::after { transform: rotate(0); }
.pr-q p { padding: 0 38px 20px 36px; font-size: 14px; line-height: 1.8; color: #525252; }
@media (max-width: 1100px) {
  .pr-grid, .pr-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .pr-rules { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 700px) {
  .pr { padding: calc(var(--nav-h) + 32px) 0 56px; }
  .pr-wrap { padding: 0 16px; }
  .pr-head h1 { font-size: 36px; line-height: 44px; }
  .pr-head p { font-size: 14px; }
  .pr-tabs { margin: 28px 0 24px; }
  .pr-grid, .pr-grid-3, .pr-rules { grid-template-columns: 1fr; }
  .pr-pack .pr-body { grid-template-columns: 1fr; padding: 20px; gap: 20px; }
  .pr-gauge { height: 200px; }
  .pr-g-val { top: 84px; }
  .pr-faq { margin-top: 56px; }
  .pr-faq h2 { font-size: 28px; line-height: 36px; }
  .pr-card:hover { transform: none; }
  .pr-pro { order: -1; }
}

/* ===== 使用文档 docs.html（10-12）：白底文档站，左目录右正文，顶栏单独一条（新窗口打开，不带官网大导航） ===== */
html.dc-html, html.dc-html body { overflow: visible; }   /* 全站 overflow-x:hidden 会让 sticky 目录失效（10-12 用户抓：目录没固定） */
.dc-page { background: #fff; color: #0A0A0A; }
.dc-top { position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .92); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); border-bottom: 1px solid #ECEDF1; }
.dc-top-in { display: flex; align-items: center; gap: 14px; height: 60px; padding: 0 28px; }
.dc-brand img { height: 26px; display: block; }
.dc-top-title { padding-left: 14px; border-left: 1px solid #E5E5E5; font-size: 15px; font-weight: 600; color: #525252; }
.dc-top-r { margin-left: auto; display: flex; align-items: center; gap: 18px; }
.dc-top-r > a:not(.btn) { font-size: 14px; color: #525252; }
.dc-top-r > a:not(.btn):hover { color: #0A0A0A; }
.dc-menu { display: none; margin-left: auto; height: 34px; padding: 0 12px; border: 1px solid #E5E5E5; border-radius: 8px; font-size: 13px; }
.dc-wrap { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 56px; max-width: 1240px; margin: 0 auto; padding: 0 28px 96px; }
.dc-side { position: sticky; top: 60px; align-self: start; max-height: calc(100vh - 60px); overflow-y: auto; padding: 32px 0 40px; border-right: 1px solid #ECEDF1; }
.dc-group { margin: 22px 0 6px; padding: 0 12px; font-size: 12px; font-weight: 600; letter-spacing: .5px; color: #A3A3A3; }
.dc-group:first-child { margin-top: 0; }
.dc-nav a { display: flex; align-items: center; gap: 6px; height: 34px; padding: 0 12px; border-radius: 8px; font-size: 14px; color: #525252; transition: background .15s, color .15s; }
.dc-nav a:hover { background: #F5F6F9; color: #0A0A0A; }
.dc-nav a.on { background: rgba(61, 93, 255, .08); color: var(--brand); font-weight: 600; }
.dc-soon { font-style: normal; font-size: 10px; font-weight: 600; padding: 1px 6px; border-radius: 999px; background: #F2F3F7; color: #737373; vertical-align: middle; }
.dc-main { padding-top: 32px; max-width: 760px; }
.dc-gh { margin: 72px 0 -8px; font-size: 13px; font-weight: 600; letter-spacing: 1px; color: var(--brand); }
.dc-sec { padding: 40px 0 8px; border-bottom: 1px solid #ECEDF1; scroll-margin-top: 80px; }
.dc-sec:first-child { padding-top: 8px; }
.dc-sec h2 { display: flex; align-items: center; gap: 10px; font-size: 30px; line-height: 1.3; font-weight: 700; letter-spacing: -.3px; }
.dc-sec h2 .dc-soon { font-size: 11px; padding: 2px 8px; }
.dc-lead { margin-top: 10px; font-size: 16px; line-height: 1.7; color: #525252; }
.dc-sec h3 { margin: 32px 0 12px; font-size: 18px; font-weight: 700; }
/* 能做什么：四张图文小卡 */
.dc-feats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.dc-feat { display: flex; gap: 12px; padding: 14px; border-radius: 12px; border: 1px solid #ECEDF1; background: #fff; }
.dc-feat-img { width: 56px; height: 56px; flex-shrink: 0; border-radius: 10px; object-fit: cover; background: #F2F3F7; }
.dc-feat b { display: block; font-size: 15px; font-weight: 700; }
.dc-feat p { margin-top: 4px; font-size: 13px; line-height: 1.6; color: #525252; }
.dc-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.dc-list li { position: relative; padding-left: 18px; font-size: 15px; line-height: 1.7; color: #3C4150; }
.dc-list li::before { content: ""; position: absolute; left: 2px; top: 11px; width: 6px; height: 6px; border-radius: 50%; background: var(--brand); }
.dc-list li b { display: block; font-weight: 700; color: #0A0A0A; }
.dc-steps { list-style: none; margin: 0; padding: 0; counter-reset: st; display: flex; flex-direction: column; gap: 14px; }
.dc-steps li { position: relative; display: flex; align-items: center; gap: 18px; padding: 16px 18px 16px 58px; border-radius: 12px; background: #F7F8FB; font-size: 15px; line-height: 1.7; color: #3C4150; counter-increment: st; }
.dc-step-img { width: 150px; height: 100px; flex-shrink: 0; border-radius: 10px; object-fit: cover; background: #E9EBF2; }
.dc-steps li > div { flex: 1; min-width: 0; }
.dc-steps li::before { content: counter(st); position: absolute; left: 18px; top: 16px; width: 26px; height: 26px; border-radius: 50%; background: var(--brand); color: #fff; font-size: 13px; font-weight: 700; display: flex; align-items: center; justify-content: center; }
.dc-steps li b { display: block; font-weight: 700; color: #0A0A0A; }
.dc-point { display: flex; align-items: center; gap: 24px; padding: 18px 0; border-top: 1px solid #F0F1F5; }
.dc-point-txt { flex: 1; min-width: 0; }
.dc-point-img { width: 200px; height: 130px; flex-shrink: 0; border-radius: 12px; object-fit: cover; background: #F2F3F7; }
.dc-point:last-child { padding-bottom: 24px; }
.dc-tag { display: inline-block; margin-bottom: 6px; padding: 2px 8px; border-radius: 999px; background: rgba(61, 93, 255, .08); color: var(--brand); font-size: 12px; font-weight: 600; }
.dc-point b { display: block; font-size: 16px; font-weight: 700; }
.dc-point p { margin-top: 6px; font-size: 15px; line-height: 1.7; color: #3C4150; }
.dc-note { margin: 24px 0 16px; padding: 12px 16px; border-radius: 10px; background: #F7F8FB; font-size: 14px; color: #525252; }
.dc-note a { color: var(--brand); text-decoration: underline; }
.dc-q { border-top: 1px solid #F0F1F5; }
.dc-q summary { padding: 16px 0; font-size: 16px; font-weight: 600; cursor: pointer; list-style: none; }
.dc-q summary::-webkit-details-marker { display: none; }
.dc-q summary::before { content: "+"; display: inline-block; width: 18px; color: var(--brand); font-weight: 700; }
.dc-q[open] summary::before { content: "−"; }
.dc-q p { padding: 0 0 18px 18px; font-size: 15px; line-height: 1.8; color: #3C4150; }
@media (max-width: 900px) {
  .dc-top-in { padding: 0 16px; }
  .dc-top-title { display: none; }
  .dc-top-r { display: none; }
  .dc-menu { display: inline-flex; align-items: center; }
  .dc-wrap { grid-template-columns: 1fr; gap: 0; padding: 0 16px 64px; }
  .dc-side { display: none; position: fixed; top: 60px; left: 0; right: 0; bottom: 0; z-index: 40; max-height: none; padding: 16px; background: #fff; border-right: 0; }
  .dc-side.open { display: block; }
  .dc-main { padding-top: 16px; }
  .dc-sec h2 { font-size: 24px; }
  .dc-gh { margin-top: 48px; }
  .dc-feats { grid-template-columns: 1fr; }
  .dc-steps li { flex-direction: column; align-items: stretch; padding-left: 18px; padding-top: 48px; }
  .dc-step-img { width: 100%; height: 160px; }
  .dc-point { flex-direction: column; align-items: stretch; }
  .dc-point-img { width: 100%; height: 180px; }
}

/* ===== 渠道与商务合作 partner.html / 关于我们 about.html（10-12）：照 vibbit.cn/partner.html 1440 实测 —— 深底、760 居中单列、强调色换品牌蓝 ===== */
.pn { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; min-height: 100vh; padding: calc(var(--nav-h) + 100px) 40px 80px; background: #0A0A0A; color: #fff; }
.pn-inner { width: 100%; max-width: 760px; text-align: center; }
.pn-eyebrow { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 32px; font-size: 12px; letter-spacing: .6px; color: #B8B8BC; }
.pn-eyebrow i { width: 6px; height: 6px; border-radius: 50%; background: var(--brand); }
.pn h1 { font-size: 48px; line-height: 1.2; font-weight: 700; margin-bottom: 24px; }   /* 10-12 用户：按首页 / 功能页规范 48/700，不用 vibbit 的 60/900（雅黑没有 900，伪粗把「更多人」撑变形） */
.pn h1 b { font-size: inherit; font-family: inherit; font-weight: 700; color: var(--brand-lite); }   /* 10-12「更多人」变形的真因：原类名 pt 撞了首页旧段落 pt b{font-size:15px}，整块改名 pn 并 inherit */
.pn-body { max-width: 760px; margin: 0 auto 56px; font-size: 18px; line-height: 1.6; color: rgba(255, 255, 255, .6); }   /* 副标按功能页规范 18 */
.pn-divider { width: 40px; height: 2px; margin: 0 auto 56px; background: linear-gradient(90deg, var(--brand), rgba(61, 93, 255, 0)); }
.pn-items { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 64px; }
.pn-item { padding: 22px 20px; border-radius: 12px; border: 1px solid rgba(255, 255, 255, .08); background: #161618; text-align: left; }
.pn-ico { display: flex; align-items: center; justify-content: center; width: 36px; height: 36px; margin-bottom: 14px; border-radius: 10px; background: rgba(61, 93, 255, .14); color: #fff; }
.pn-ico svg { width: 18px; height: 18px; }
.pn-ititle { font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.pn-idesc { font-size: 12px; line-height: 1.6; color: #8A8A90; }
.pn-card { display: flex; align-items: center; gap: 48px; padding: 48px 40px; border-radius: 16px; border: 1px solid rgba(61, 93, 255, .25); background: #161618; text-align: left; }
.pn-card-l { flex: 1; min-width: 0; }
.pn-ctitle { font-size: 22px; line-height: 1.3; font-weight: 700; }
.pn-ctitle b { font-size: inherit; font-family: inherit; font-weight: 700; color: var(--brand-lite); }
.pn-cdesc { margin-top: 14px; font-size: 14px; line-height: 1.8; color: #B8B8BC; }
.pn-ctip { display: flex; align-items: center; gap: 10px; margin-top: 18px; font-size: 13px; color: #8A8A90; }
.pn-ctip i { width: 5px; height: 5px; border-radius: 50%; background: var(--brand); flex-shrink: 0; }
.pn-ctip a { color: var(--brand-lite); text-decoration: underline; }
.pn-card-r { flex: 0 0 160px; text-align: center; }
.pn-qr { display: flex; align-items: center; justify-content: center; width: 160px; height: 160px; border-radius: 12px; background: #fff; color: #9A9AA0; font-size: 13px; line-height: 1.6; text-align: center; }
.pn-qrlabel { margin-top: 10px; font-size: 12px; color: #8A8A90; }
@media (max-width: 820px) {
  .pn { padding: calc(var(--nav-h) + 56px) 20px 56px; }
  .pn h1 { font-size: 32px; }
  .pn-body { font-size: 16px; margin-bottom: 40px; }
  .pn-items { grid-template-columns: 1fr; margin-bottom: 40px; }
  .pn-card { flex-direction: column; gap: 28px; padding: 32px 24px; text-align: center; }
  .pn-ctip { justify-content: center; }
}